Measurement analysis
| Number of participants | 127 subjects |
| Average age | 69 years |
| Percentage men | 54% |
| Total number of measurements | 630 |
| Median number of measurements / participant | 4 |
| Average number of measurements / participant | 7 |
| People with atrial fibrillation (AF) | 5 (3.9%) |
| People with other cardiac arrhythmia’s | 12 (9.4%) |
| Total number of heartbeats registered | 41,225 |
| Number of people without measurements | 36 |
Demography calculations
Gender distribution
| Percentage men: | 54% |
| Avg age man: | 69.9 |
| Avg age women: | 68.4 |
| Oldest male participant: | 84.1 |
| Oldest female participant: | 82.5 |
Age distribution
| Total number of participants: | 127 |
| Average age: | 69 years |
| Participants >40 years: | 98% |
| Participants >60 years : | 90% |
Country distribution
| Country with most users: | GB |
| Total countries: | 10 |
Phone distribution
| Most popular device: | Apple |
| Percentage iOS: | 53% |
| Percentage insufficient quality: | 13% |
Medical History
| Total | ( 127 ) |
| History of Heart Failure | 1 |
| History of Diabetes | 21 |
| History of Artery Disease | 11 |
| History of AF | 5 |
| History of hypertension | 34 |
| History of Stroke | 5 |
| Already takes a bloodthinner | 23 |
| Amount of filled in questionnaires | 5 |
| Amount of blank questionnaires | 46 |
| AF patients | ( 5 ) / ( 127 ) |
| History of Heart Failure | 0 |
| History of Diabetes | 1 |
| History of Artery Disease | 0 |
| History of AF | 3 |
| History of hypertension | 1 |
| History of Stroke | 0 |
| Already takes a bloodthinner | 4 |
| Amount of filled in questionnaires | 5 |
| Amount of blank questionnaires | 0 |
| Peak activation - day: | 2021-11-18 |
| Peak activation - Time (UTC): | 10 |
| Peak measurements (UTC): | 12-2 PM |
| Total number of measurements received: | 630 |
| Max number of tot. measurements / day: | 60 |
| Most compliant user (%): | 271% |
| Average number of measurements/user: | 7 |
| Average compliance (%): | 49% |
Diagnostics
| Amount of people with Atrial Fibrillation: | 5 |
| Amount of people with other cardiac arrhythmia’s: | 12 |
| Average heart rate of non-AF people (bpm): | 64 |
| Average heart rate during AF (bpm): | 89 |
| Measurements with symptoms (%): | 12% |
| AF-measurements with symptoms: | 7 |
| Most common symptom: | lightheaded |
| Heart rhythm | Frequency | % |
|---|---|---|
| sinus | 354 | 56.2 |
| extrasystoles_isolated | 104 | 16.5 |
| quality_to_low | 85 | 13.5 |
| atrial_fibrillation | 45 | 7.1 |
| extrasystoles_frequent | 33 | 5.2 |
| extrasystoles_big_episode | 5 | 0.8 |
| extrasystoles_trig_episode | 4 | 0.6 |
| Symptoms | Frequency | % |
|---|---|---|
| no_symptoms | 556 | 88.3 |
| NA | 20 | 3.2 |
| lightheaded | 14 | 2.2 |
| fatigue | 11 | 1.7 |
| palpitations | 10 | 1.6 |
| other | 8 | 1.3 |
| shortness_of_breath | 7 | 1.1 |
| chest_pains | 3 | 0.5 |
| confused | 1 | 0.2 |
| Symptoms | Frequency | % |
|---|---|---|
| no_symptoms | 316 | 89.3 |
| NA | 14 | 4.0 |
| lightheaded | 6 | 1.7 |
| palpitations | 5 | 1.4 |
| fatigue | 4 | 1.1 |
| shortness_of_breath | 4 | 1.1 |
| chest_pains | 3 | 0.8 |
| confused | 1 | 0.3 |
| other | 1 | 0.3 |
| Symptoms | Frequency | % |
|---|---|---|
| no_symptoms | 127 | 87.0 |
| fatigue | 6 | 4.1 |
| lightheaded | 6 | 4.1 |
| NA | 3 | 2.1 |
| palpitations | 2 | 1.4 |
| other | 1 | 0.7 |
| shortness_of_breath | 1 | 0.7 |
| Symptoms | Frequency | % |
|---|---|---|
| no_symptoms | 38 | 84.4 |
| other | 5 | 11.1 |
| palpitations | 1 | 2.2 |
| shortness_of_breath | 1 | 2.2 |
Signal Quality Analysis
| Average % of insufficient quality: | 16.12% |
| Minimum % of insufficient quality: | 0% |
| Maximum % of insufficient quality: | 100% |
| Meas. attempts | Percentage (%) |
|---|---|
| 1 | 44.3 |
| 2 | 4.4 |
| 3 | 2.5 |
| 4 | 0.5 |
| 5 | 0.5 |
| 9 | 0.2 |
| NA | 47.6 |
| Activity context | Insufficient quality distribution (%) |
|---|---|
| sitting | 76.5 |
| standing | 8.2 |
| walking | 8.2 |
| NA | 3.5 |
| exercising | 2.4 |
| other | 1.2 |
| sleeping | 0.0 |
Rhythm recordings
