Research Article

Association between Obesity, Surgical Route, and Perioperative Outcomes in Patients with Uterine Cancer

Table 2

Perioperative outcomes stratified by patient’s body mass index, ACS-NSQIP, 2005-2013.

BMI classification
Characteristic/outcomeIdealOverweightObeseMorbidly obese

Patient age 63 (55-74)65 (57-73)63 (57-71)60 (54-65)
Operation time 137 (100-189)143 (102-193)149 (110-200)164 (124-214)
Length of hospital stay 1 (1-2)1 (1-3)1 (1-3)1 (1-3)
Bleeding 79 (7.0)70 (5.0)90 (3.4)82 (4.1)
DVT/thrombophlebitis3 (0.3)11 (0.8)18 (0.7)14 (0.7)
Superficial surgical site 11 (1.0)10 (0.7)53 (2.0)71 (3.5)
Open wound/wound 5 (0.4)4 (0.3)10 (0.4)29 (1.4)
Deep incisional surgical site 2 (0.2)2 (0.1)7 (0.3)28 (1.4)
Any infection listed above18 (1.6)16 (1.1)68 (2.6)128 (6.4)
Any adverse outcome listed above96 (8.5)91 (6.5)167 (6.3)210 (10.5)
Readmission within 30 46 (5.0)47 (4.1)101 (4.6)98 (6.0)

ACS NSQIP = American College of Surgeons National Surgical Quality Improvement Program; BMI = body mass index; DVT = deep vein thrombosis.
P-value<0.05 from either a Wilcoxon-Mann Whitney test (continuous variables) or chi-square test (categorical variables). For each outcome, three tests are performed: overweight vs. ideal BMI, obese vs. ideal BMI, morbidly obese vs. ideal BMI.
presented as median (Q1-Q3); all others are presented as frequency (%).
least 1 unit of packed or whole red blood cells given from the surgical start time up to and including 72 hours postoperatively.
that occurs within 30 days after the operation and the infection involves only skin or subcutaneous tissue of the incision.
evidence of a documented open wound at the time of the principal operative procedure. An open wound is a breach in the integrity of the skin or separation of skin edges and includes open surgical wounds, with or without cellulitis or purulent exudate. This does not include osteomyelitis or localized abscesses.
that occurs within 30 days after the operation and the infection appears to be related to the operation and infection involved deep soft tissues (e.g., fascial and muscle layers) of the incision.
within 30 days was only available beginning in 2011; therefore, the percent provided reflects only the proportion of 2011-13 cases who were readmitted.