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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Obstet Gynecol. 2016 Jul;128(1):121–126. doi: 10.1097/AOG.0000000000001492

Table 3.

Association between patient factors and venous thromboembolism

Characteristics No VTE
(n=9821)
VTE
(n=127)
p value

Age (years) 62.9 (±11.2) 65.6 (±10.6) 0.0071

BMI (kg/m2) 34.5 (±9.9) 35.7 (±9.9) 0.171

Race 0.022
  White 7700 (78.4) 97 (76.4)
  Black 772 (7.9) 17 (13.4)
  Asian 351 (3.6) 2 (1.6)
  Other 77 (0.8) 3 (2.4)
  Unknown 921 (9.4) 8 (6.3)

Smoking 898 (9.1) 9 (7.1) 0.422

Diabetes 2096 (21.3) 28 (22.0) 0.852

Hypertension 5579 (56.8) 75 (59.1) 0.612

Charlson comorbidity
index
<0.0012
  0 7161 (72.9) 85 (66.9)
  1 2119 (21.6) 24 (18.9)
  2 359 (3.7) 8 (6.3)
  3+ 182 (1.9) 10 (7.9)

Lymphadenectomy 5536 (56.4) 84 (66.1) 0.032

Length of stay (days) 2 (1–3) 5 (3–9) <0.0013

Operating time (min) 157 (116–210) 186 (121–265) <0.0013

Surgical complexity
(wRVU)
30.9 (17.7–34.6) 31.0 (23.1–42.8) 0.023
1

T-test,

2

Chi-square test,

3

Mann Whitney U test.

Data is presented as mean (SD) for continuous variables that are normally distributed and median (interquartile range) for continuous variables that are non-normally distributed.

Data is presented as n(%) for categorical variables.

VTE – venous thromboembolism