Variable NSQIP Short Term Outcomes p-value2
Overall, N = 8,2871 MIS, N = 3,2181 MIS Converted to Open, N = 8881 Open, N = 4,1811
Age 63.00 (53.00, 71.00) 63.00 (52.00, 71.00) 63.00 (52.00, 71.00) 63.00 (53.00, 71.00) 0.83
Sex 0.009
female 4,538 (55%) 1,822 (57%) 495 (56%) 2,221 (53%)
male 3,749 (45%) 1,396 (43%) 393 (44%) 1,960 (47%)
BMI 27.76 (24.03, 32.24) 28.34 (24.43, 32.77) 28.18 (24.74, 33.11) 27.11 (23.63, 31.46) <0.001
Race <0.001
Black 833 (10%) 304 (9.4%) 85 (9.6%) 444 (11%)
Other 389 (4.7%) 182 (5.7%) 34 (3.8%) 173 (4.1%)
Unknown 1,008 (12%) 437 (14%) 77 (8.7%) 494 (12%)
White 6,057 (73%) 2,295 (71%) 692 (78%) 3,070 (73%)
ASA Classification
I-II 2,480 (30%) 1,094 (34%) 314 (35%) 1,072 (26%)
III-IV 5,790 (70%) 2,120 (66%) 574 (65%) 3,096 (74%)
Unknown 17 (0.2%) 4 (0.1%) 0 (0%) 13 (0.3%)
Fistula <0.001
CR-POPF 1,510 (18%) 649 (20%) 162 (18%) 699 (17%)
No CR-POPF 6,698 (82%) 2,541 (80%) 717 (82%) 3,440 (83%)
Unknown 79 28 9 42
Total operation time 214.00 (159.00, 288.00) 215.00 (164.00, 282.00) 206.00 (160.00, 281.25) 216.00 (153.00, 297.00) 0.36
Estimated Probability of Mortality (%) 0.37 (0.17, 0.72) 0.32 (0.14, 0.62) 0.33 (0.14, 0.61) 0.43 (0.20, 0.85) <0.001
Unknown 212 44 0 168
Estimated Probability of Morbidity (%) 14.95 (11.83, 18.53) 14.44 (11.21, 17.75) 14.32 (11.16, 17.46) 15.52 (12.47, 19.41) <0.001
Unknown 212 44 0 168
Length of total hospital stay 6.00 (4.00, 7.25) 5.00 (4.00, 6.00) 5.00 (4.00, 6.00) 6.00 (5.00, 9.00) <0.001
Unknown 27 6 1 20
Occurrences Pneumonia 0.035
No Complication 8,041 (97%) 3,137 (97%) 867 (98%) 4,037 (97%)
Pneumonia 246 (3.0%) 81 (2.5%) 21 (2.4%) 144 (3.4%)
Occurrences Pulmonary Embolism 0.083
No Complication 8,166 (99%) 3,179 (99%) 879 (99%) 4,108 (98%)
Pulmonary Embolism 121 (1.5%) 39 (1.2%) 9 (1.0%) 73 (1.7%)
Occurrences Deep Incisional SSI 0.16
Deep Incisional SSI 46 (0.6%) 13 (0.4%) 3 (0.3%) 30 (0.7%)
No Complication 8,241 (99%) 3,205 (100%) 885 (100%) 4,151 (99%)
Still in Hospital > 30 Days 70 (0.8%) 14 (0.4%) 6 (0.7%) 50 (1.2%) 0.002
Unplanned Reoperation 1 279 (3.4%) 82 (2.5%) 23 (2.6%) 174 (4.2%) <0.001
Occurrences Sepsis 0.002
No Complication 7,909 (95%) 3,095 (96%) 857 (97%) 3,957 (95%)
Sepsis 378 (4.6%) 123 (3.8%) 31 (3.5%) 224 (5.4%)

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

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