Variable Overall, N = 17,4571 *Obesity Classification Obese, N = 5,0581 p-value2
Morbidly Obese, N = 9081 Non-Obese, N = 11,4911
Age 61.00 (51.00, 69.00) 55.00 (45.00, 64.00) 62.00 (51.00, 70.00) 60.00 (50.00, 68.00) <0.001
Unknown 24 0 21 3
Sex <0.001
female 8,754 (50%) 613 (68%) 5,663 (49%) 2,478 (49%)
male 8,703 (50%) 295 (32%) 5,828 (51%) 2,580 (51%)
BMI 27.46 (24.02, 31.79) 43.57 (41.39, 46.48) 25.10 (22.63, 27.40) 33.08 (31.35, 35.48) <0.001
Race
American Indian or Alaska Native 67 (0.4%) 8 (0.9%) 31 (0.3%) 28 (0.6%)
Asian 1,184 (6.8%) 2 (0.2%) 1,069 (9.3%) 113 (2.2%)
Black or African American 1,468 (8.4%) 123 (14%) 833 (7.2%) 512 (10%)
Native Hawaiian or Pacific Islander 47 (0.3%) 2 (0.2%) 38 (0.3%) 7 (0.1%)
Unknown/Not Reported 3,561 (20%) 119 (13%) 2,502 (22%) 940 (19%)
White 11,130 (64%) 654 (72%) 7,018 (61%) 3,458 (68%)
ASA Classification <0.001
1-No Disturb 253 (1.5%) 2 (0.2%) 216 (1.9%) 35 (0.7%)
2-Mild Disturb 4,395 (25%) 128 (14%) 3,152 (28%) 1,115 (22%)
3-Severe Disturb 11,495 (66%) 713 (79%) 7,280 (64%) 3,502 (69%)
4-Life Threat 1,270 (7.3%) 64 (7.1%) 807 (7.0%) 399 (7.9%)
Unknown 44 1 36 7
Mortality 0.75
-99 17,200 (99%) 892 (98%) 11,323 (99%) 4,985 (99%)
Yes 257 (1.5%) 16 (1.8%) 168 (1.5%) 73 (1.4%)
OUPNEUMO 0.46
No Complication 16,903 (97%) 885 (97%) 11,117 (97%) 4,901 (97%)
Pneumonia 554 (3.2%) 23 (2.5%) 374 (3.3%) 157 (3.1%)
PULEMBOL 0.005
No Complication 17,246 (99%) 892 (98%) 11,374 (99%) 4,980 (98%)
Pulmonary Embolism 211 (1.2%) 16 (1.8%) 117 (1.0%) 78 (1.5%)
RETURNOR 510 (2.9%) 21 (2.3%) 341 (3.0%) 148 (2.9%) 0.53
REINTUB 0.25
No Complication 17,078 (98%) 894 (98%) 11,246 (98%) 4,938 (98%)
Unplanned Intubation 379 (2.2%) 14 (1.5%) 245 (2.1%) 120 (2.4%)
SUPINFEC <0.001
No Complication 16,851 (97%) 866 (95%) 11,136 (97%) 4,849 (96%)
Superficial Incisional SSI 606 (3.5%) 42 (4.6%) 355 (3.1%) 209 (4.1%)
FAILWEAN 0.41
No Complication 17,122 (98%) 887 (98%) 11,281 (98%) 4,954 (98%)
On Ventilator greater than 48 Hours 335 (1.9%) 21 (2.3%) 210 (1.8%) 104 (2.1%)
CNSCVA 0.49
No Complication 17,430 (100%) 907 (100%) 11,470 (100%) 5,053 (100%)
Stroke/CVA 27 (0.2%) 1 (0.1%) 21 (0.2%) 5 (<0.1%)
DEHIS 0.008
No Complication 17,353 (99%) 896 (99%) 11,432 (99%) 5,025 (99%)
Wound Disruption 104 (0.6%) 12 (1.3%) 59 (0.5%) 33 (0.7%)
PRSEPIS
None 17,216 (99%) 895 (99%) 11,322 (99%) 4,999 (99%)
Sepsis 74 (0.4%) 1 (0.1%) 57 (0.5%) 16 (0.3%)
Septic Shock 9 (<0.1%) 0 (0%) 8 (<0.1%) 1 (<0.1%)
SIRS 158 (0.9%) 12 (1.3%) 104 (0.9%) 42 (0.8%)
CDMI 0.14
Myocardial Infarction 148 (0.8%) 5 (0.6%) 90 (0.8%) 53 (1.0%)
No Complication 17,309 (99%) 903 (99%) 11,401 (99%) 5,005 (99%)
CDARREST 0.95
Cardiac Arrest Requiring CPR 120 (0.7%) 7 (0.8%) 78 (0.7%) 35 (0.7%)
No Complication 17,337 (99%) 901 (99%) 11,413 (99%) 5,023 (99%)
OTHDVT 0.75
DVT Requiring Therapy 284 (1.6%) 12 (1.3%) 188 (1.6%) 84 (1.7%)
No Complication 17,173 (98%) 896 (99%) 11,303 (98%) 4,974 (98%)
ORGSPCSSI 0.030
No Complication 16,140 (92%) 856 (94%) 10,588 (92%) 4,696 (93%)
Organ/Space SSI 1,317 (7.5%) 52 (5.7%) 903 (7.9%) 362 (7.2%)
Serious Complication 2,838 (16%) 144 (16%) 1,874 (16%) 820 (16%) 0.93
Any Complication 3,269 (19%) 180 (20%) 2,124 (18%) 965 (19%) 0.46

1 Statistics presented: Median (IQR); n (%)

2 Statistical tests performed: Kruskal-Wallis test; chi-square test of independence; Fisher's exact test