Basic information Metadata for the file “combined_cpet_se_after_mi.csv”. Each row represents one patient.
Authors of the dataset: Krzysztof Smarz, Department of Cardiology, Centre of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland Maciej Tysarowski, Department of Medicine, Rutgers New Jersey Medical School, Newark, United States; email: mtysar@gmail.com Date of data collection: October 2015 – January 2019 Location of data collection: Warsaw, Poland
Number of observations: 41
Number of variables: 182
| Baseline Characteristics | |
|---|---|
| Baseline patient characteristics recorded at the time of myocardial infacrtion. | |
| Variable name | Description |
| id | a unique code given to each patient (deintified) |
| sex | sex (1 for male, 0 for female) |
| age | age when patient had AMI, years |
| smoking | if patient is current smoker |
| htn | if patient has hypertension |
| hld | if patient has hyperlipidemia |
| dm_igt | if patient has diabetes or impaired glucose tolerance |
| physical_activity_before_mi | physical activity level before myocardial infarction |
| Hospitalization For MI | |
|---|---|
| Variables related to myocardial infarction hospitalization. | |
| Variable name | Description |
| stemi_inf_0 | if patient had an inferior ST elevation myocardial infarction |
| stemi_lat_0 | if patient had an lateral ST elevation myocardial infarction |
| stemi_post_0 | if patient had a posterior ST elevation myocardial infarction |
| stemi_ant_0 | if patient had an anterior ST elevation myocardial infarction |
| mi_rv_0 | if patient had right ventricular myocardial infarction |
| nstemi_0 | if patient had a non - ST elevation myocardial infarction |
| tnt_max_0 | maximal troponin T levels |
| hgb_discharge_0 | hemoglobin level at discharge, |
| creatinine_discharge_0 | creatinine level at discharge, |
| Cardiac Rehabilitation | |
|---|---|
| Variables related to cardiac rehabilitation. | |
| Variable name | Description |
| inpat_cr | cardiac rehabilitation (1-inpatient, 0-outpatient) |
| training_sessions_cr | number of training sessions |
| training_hr_limit_50_60_perc_cr | if training heart rate limit was 50% to 60% of the heart rate reserve |
| training_hr_limit_60_80_perc_cr | if training heart rate limit was 60% to 80% of the heart rate reserve |
| asa_cr | if patient was on aspirin |
| clopidogrel_cr | if patient was on clopidogrel |
| ticagrelor_cr | if patient was on ticagrelor |
| bb_cr | if patient was on a beta-blocker |
| statin_cr | if patient was on a statin |
| acei_arb_cr | if patient was on an Angiotensin receptor blocker (ARB) |
| cab_cr | if patient was on a calcium channel blocker |
| diuretic_cr | if patient was on a diuretic |
| ESE - CPET 1 | |
|---|---|
| Variables obtained during the first combined stress echocardiography and cardiopulmonary exercise test. | |
| Variable name | Description |
| height_cm_1 | height at the day of CPET-SE 1, cm |
| weight_kg_1 | weight at the day of CPET-SE 1, kg |
| exercise_time_sec_total_1 | exercise time, sec |
| sbp_peak_1 | systolic blood pressure at peak exercise, mmHg |
| dbp_peak_1 | diastolic blood pressure at peak exercise, mmHg |
| load_max_pred_watts_1 | predicted load, watts |
| load_max_watts_1 | load achieved at peak exercise, watts |
| vo2_max_pred_l_min_1 | predicted maximum oxygen uptake calculated by exercise test equipment, L/min |
| vo2_at_l_min_1 | oxygen uptake at anaerobic threshold, L/min |
| vo2_peak_l_min_1 | oxygen uptake at peak exercise, L/min |
| vco2_max_pred_l_min_1 | predicted VCO2, L/min |
| vco2_peak_l_min_1 | carbon dioxide output at peak exercise, L/min |
| rer_peak_1 | respiratory exchange ratio at peak exercise |
| hr_max_pred_bpm_1 | predicted maximum heart rate, bpm |
| hr_rest_bpm_1 | heart rate at rest, bpm |
| hr_peak_bpm_1 | heart rate at peak of exercise, bpm |
| sbp_rest_mmhg_1 | systolic blood pressure at rest, mm Hg |
| dbp_rest_mmhg_1 | diastolic blood pressure at rest, mm Hg |
| ve_peak_1 | minute ventilation at peak, L/min |
| vt_peak_1 | tidal volume at max load, L |
| br_peak_1 | breathing reserve at max load, % |
| ve_vco2_slope_1 | minute ventilation versus carbon dioxide output also called ventilatory efficiency |
| ivc_pred_1 | inspiratory vital capacity predicted, L |
| ivc_act_1 | measured inspiratory vital capacity, L |
| fev1_pred_1 | forced expiratory volume in the first second predicted, L |
| fev1_act_1 | measured forced expiratory volume in the first second, L |
| fev1_ivc_pred_1 | forced expiratory volume in the first second to inspiratory vital capacity, predicted values, % |
| fev1_ivc_act_1 | forced expiratory volume in the first second to inspiratory vital capacity, measured, % |
| lvot_diam_1 | left ventricular outflow tract diameter, mm |
| lvot_vti_rest_cm_1 | left ventricular outflow tract velocity time integral at rest, cm |
| wmsi_rest_1 | wall motion score index at rest |
| ef_rest_prec_1 | ejection fraction at rest, % |
| lvedv_rest_ml_1 | left ventricular end-diastolic volume at rest , mL |
| lvesv_rest_ml_1 | left ventricular end-systolic volume at rest, mL |
| e_rest_m_sec_1 | early mitral inflow velocity at rest, m/s |
| a_rest_m_sec_1 | late mitral inflow velocity at rest, m/s |
| dt_rest_ms_1 | deceleration time at rest, ms |
| tapse_rest_cm_1 | tricuspid annulus plane systolic excursion at rest, mm |
| sm_rv_rest_cm_s_1 | right ventricular systolic myocardial velocity at rest, cm/s |
| sm_ivs_rest_cm_s_1 | interventricular septum myocardial velocity at rest, cm/s |
| em_ivs_rest_cm_s_1 | interventricular early diastolic myocardial velocity at rest, cm/s |
| am_ivs_rest_cm_s_1 | interventricular septum late diastolic myocardial velocity at rest, cm/s |
| sm_lat_rest_cm_s_1 | left ventricular lateral wall systolic myocardial velocity at rest, cm/s |
| em_lat_rest_cm_s_1 | left ventricular lateral wall early diastolic myocardial velocity at rest, cm/s |
| am_lat_rest_cm_s_1 | left ventricular lateral wall late diastolic myocardial velocity at rest, cm/s |
| e_prime_aver_rest_cm_s_1 | early diastolic myocardial velocity averaged at rest, cm/s |
| mr_mild_rest_1 | mitral regurgitation mild at rest |
| mr_moderate_rest_1 | mitral regurgitation moderate at rest |
| mr_severe_rest_1 | mitral regurgitation severe at rest |
| tr_mild_rest_1 | tricuspid regurgitation mild at rest |
| tr_moderate_rest_1 | tricuspid regurgitation moderate at rest |
| tr_severe_rest_1 | tricuspid regurgitation severe at rest |
| lvot_vti_peak_cm_1 | left ventricular outflow tract velocity time integral at peak exercise, cm |
| wmsi_peak_1 | wall motion score index at peak exercise |
| ef_peak_percent_1 | left ventricular ejection fraction at peak, % |
| lvedv_peak_ml_1 | left ventricular end-diastolic volume at peak exercise, mL |
| lvesv_peak_ml_1 | left ventricular end-systolic volume at peak exercise, mL |
| e_peak_m_s_1 | early mitral inflow velocity at peak, m/s |
| a_peak_m_s_1 | late (atrial) mitral inflow velocity at peak, m/s |
| dt_peak_ms_1 | deceleration time at peak, ms |
| tapse_peak_cm_1 | tricuspid annulus plane systolic excursion at peak exercise, mm |
| sm_rv_peak_cm_s_1 | right ventricular systolic myocardial velocity at peak exercise, cm/s |
| sm_ivs_peak_cm_s_1 | interventricular septum myocardial velocity at peak exercise, cm/s |
| em_ivs_peak_cm_s_1 | interventricular early diastolic myocardial velocity at peak exercise, cm/s |
| am_ivs_peak_cm_s_1 | interventricular septum late diastolic myocardial velocity at peak, cm/s |
| sm_lat_peak_cm_s_1 | left ventricular lateral wall systolic myocardial velocity at peak exercise, cm/s |
| em_lat_peak_cm_s_1 | left ventricular lateral wall early diastolic myocardial velocity at peak exercise, cm/s |
| am_lat_peak_cm_s_1 | left ventricular lateral wall late diastolic myocardial velocityl at peak, cm/s |
| e_prime_aver_peak_cm_s_1 | early diastolic myocardial velocity averaged at peak, cm/s |
| mr_mild_pea_1 | mild mitral regurgitation at peak |
| mr_moderate_peak_1 | mitral regurgitation moderate at peak exercise |
| mr_severe_peak_1 | mitral regurgitation severe at peak exercise |
| tr_mild_peak_1 | tricuspid regurgitation mild at peak exercise |
| tr_moderate_peak_1 | tricuspid regurgitation moderate at r peak exercise |
| tr_severe_peak_1 | tricuspid regurgitation severe at peak exercise |
| ESE - CPET 2 | |
|---|---|
| Variables obtained during the second combined stress echocardiography and cardiopulmonary exercise test. | |
| Variable name | Description |
| height_cm_2 | height at the day of CPET-SE 2, cm |
| weight_kg_2 | weight at the day of CPET-SE 2, kg |
| exercise_time_sec_total_2 | time of exercise duration, s |
| sbp_peak_2 | systolic blood pressure at peak, mmHg |
| dbp_peak_2 | diastolic blood pressure at peak, mmHg |
| load_max_pred_watts_2 | predicted load, watts |
| load_at_watts_2 | load at anaerobic threshold, watts |
| load_max_watts_2 | load achieved at peak exercise, watts |
| vo2_max_pred_l_min_2 | predicted maximum oxygen uptake calculated by exercise test equipment, L/min |
| vo2_at_l_min_2 | oxygen uptake at anaerobic threshold, L/min |
| vo2_peak_l_min_2 | oxygen uptake at peak exercise, L/min |
| vco2_max_pred_l_min_2 | predicted VCO2, L/min |
| vco2_peak_l_min_2 | carbon dioxide output at peak exercise, L/min |
| rer_peak_2 | respiratory exchange ratio at peak exercise |
| hr_max_pred_bpm_2 | predicted maximum heart rate, bpm |
| hr_rest_bpm_2 | heart rate at rest, bpm |
| hr_peak_bpm_2 | heart rate at peak of exercise, bpm |
| sbp_rest_mmhg_2 | systolic blood pressure at rest, mm Hg |
| dbp_rest_mmhg_2 | diastolic blood pressure at rest, mm Hg |
| ve_peak_2 | minute ventilation at peak, L/min |
| vt_peak_2 | tidal volume at max load, L |
| br_peak_2 | breathing reserve at max load, % |
| ve_vco2_slope_2 | minute ventilation versus carbon dioxide output also called ventilatory efficiency |
| ivc_pred_2 | inspiratory vital capacity predicted, L |
| ivc_act_2 | measured inspiratory vital capacity, L |
| fev1_pred_2 | forced expiratory volume in the first second predicted, L |
| fev1_act_2 | measured forced expiratory volume in the first second, L |
| fev1_ivc_pred_2 | forced expiratory volume in the first second to inspiratory vital capacity, predicted values, % |
| fev1_ivc_act_2 | forced expiratory volume in the first second to inspiratory vital capacity, measured, % |
| lvot_diam_2 | left ventricular outflow tract diameter, mm |
| lvot_vti_rest_cm_2 | left ventricular outflow tract velocity time integral at rest, cm |
| wmsi_rest_2 | wall motion score index at rest |
| ef_rest_prec_2 | ejection fraction at rest, % |
| lvedv_rest_ml_2 | left ventricular end-diastolic volume at rest , mL |
| lvesv_rest_ml_2 | left ventricular end-systolic volume at rest, mL |
| e_rest_m_sec_2 | early mitral inflow velocity at rest, m/s |
| a_rest_m_sec_2 | late mitral inflow velocity at rest, m/s |
| dt_rest_ms_2 | deceleration time at rest, ms |
| tapse_rest_cm_2 | tricuspid annulus plane systolic excursion at rest, mm |
| sm_rv_rest_cm_s_2 | right ventricular systolic myocardial velocity at rest, cm/s |
| sm_ivs_rest_cm_s_2 | interventricular septum myocardial velocity at rest, cm/s |
| em_ivs_rest_cm_s_2 | interventricular early diastolic myocardial velocity at rest, cm/s |
| am_ivs_rest_cm_s_2 | interventricular septum late diastolic myocardial velocity at rest, cm/s |
| sm_lat_rest_cm_s_2 | left ventricular lateral wall systolic myocardial velocity at rest, cm/s |
| em_lat_rest_cm_s_2 | left ventricular lateral wall early diastolic myocardial velocity at rest, cm/s |
| am_lat_rest_cm_s_2 | left ventricular lateral wall late diastolic myocardial velocity at rest, cm/s |
| e_prime_aver_rest_cm_s_2 | early diastolic myocardial velocity averaged at rest, cm/s |
| mr_mild_rest_2 | mitral regurgitation mild at rest |
| mr_moderate_rest_2 | mitral regurgitation moderate at rest |
| mr_severe_rest_2 | mitral regurgitation severe at rest |
| tr_mild_rest_2 | tricuspid regurgitation mild at rest |
| tr_moderate_rest_2 | tricuspid regurgitation moderate at rest |
| tr_severe_rest_2 | tricuspid regurgitation severe at rest |
| lvot_vti_peak_cm_2 | left ventricular outflow tract velocity time integral at peak exercise, cm |
| wmsi_peak_2 | wall motion score index at peak exercise |
| ef_peak_percent_2 | left ventricular ejection fraction at peak, % |
| lvedv_peak_ml_2 | left ventricular end-diastolic volume at peak exercise, mL |
| lvesv_peak_ml_2 | left ventricular end-systolic volume at peak exercise, mL |
| e_peak_m_s_2 | early mitral inflow velocity at peak, m/s |
| a_peak_m_s_2 | late (atrial) mitral inflow velocity at peak, m/s |
| dt_peak_ms_2 | deceleration time at peak, ms |
| tapse_peak_cm_2 | tricuspid annulus plane systolic excursion at peak exercise, mm |
| sm_rv_peak_cm_s_2 | right ventricular systolic myocardial velocity at peak exercise, cm/s |
| sm_ivs_peak_cm_s_2 | interventricular septum myocardial velocity at peak exercise, cm/s |
| em_ivs_peak_cm_s_2 | interventricular early diastolic myocardial velocity at peak exercise, cm/s |
| am_ivs_peak_cm_s_2 | interventricular septum late diastolic myocardial velocity at peak, cm/s |
| sm_lat_peak_cm_s_2 | left ventricular lateral wall systolic myocardial velocity at peak exercise, cm/s |
| em_lat_peak_cm_s_2 | left ventricular lateral wall early diastolic myocardial velocity at peak exercise, cm/s |
| am_lat_peak_cm_s_2 | left ventricular lateral wall late diastolic myocardial velocity at peak, cm/s |
| e_prime_aver_peak_cm_s_2 | early diastolic myocardial velocity averaged at peak, cm/s |
| mr_mild_peak_2 | mitral regurgitation mild at peak exercise |
| mr_moderate_peak_2 | mitral regurgitation moderate at peak exercise |
| mr_severe_peak_2 | mitral regurgitation severe at peak exercise |
| tr_mild_peak_2 | tricuspid regurgitation mild at peak exercise |
| tr_moderate_peak_2 | tricuspid regurgitation moderate at r peak exercise |
| tr_severe_peak_2 | tricuspid regurgitation severe at peak exercise |
| Time Between Events | |
|---|---|
| Difference in days between hospitalization for MI and combined stress echocardiography and cardiopulmonary exercise test | |
| Variable name | Description |
| time_mi_to_ese_1_days | time in days between myocardial infarction and first CPET-SE |
| time_ese1_to_ese_2_days | time in days between first and second CPET-SE |