Table 3.

Major postoperative complications after benign gynecologic procedures (N =19,439)

Complication	Derivative Cohort N =9,572	Validation Cohort N = 9,867	P-value
Death	12 (0.13)	10 (0.10)	.62
Cardiac arrest	8 (0.08)	5 (0.05)	.38
Acute myocardial infarction	2 (0.02)	6 (0.06)	.17
Postoperative coma > 24 hours	1 (0.01)	1 (0.01)	.98
CVA with neurologic deficit	2 (0.02)	1 (0.01)	.55
Acute renal failure	7 (0.07)	5 (0,05)	.53
Progressive renal insufficiency	7 (0.07)	6 (0.06)	.74
Deep wound surgical site infection	35 (0.37)	22 (0.22)	.07
Organ space surgical site infection	62 (0.65)	57 (0.58)	.53
Wound dehiscence	37 (0.39)	25 (0.25)	.10
Pulmonary embolism	20 (0.21)	27 (0.27)	.36
Deep vein thrombosis	10 (0.10)	12 (0.12)	.83
Prolonged mechanical ventilation	20 (0.21)	15 (0.15)	.35
Unplanned reintubation	25 (0.26)	17 (0.17)	.18
Pneumonia	19 (0.20)	30 (0.30)	.14
Sepsis	42 (0.44)	50 (0.51)	.49
Septic Shock	21 (0.22)	10 (0.10)	.04
Blood transfusion	22 (0.23)	12 (0.12)	.07
Return to the Operating Room	150 (1.57)	156 (1.58)	.94
Composite Major Morbidity	319 (3.33)	317 (3.21)	.64

All values listed as n(%) unless otherwise specified

Blood transfusion includes the transfusion of packed red blood cells or whole blood cells within 72 hours of completion of surgery.

Return to the Operating Room includes the return to the surgical operating room for any reasons within 30 days of surgery.