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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 4.

Predictors of venous thromboembolism among minimally invasive surgery patients

Characteristics OR 95% CI Adjusted
OR		 95% CI MIS VTE
score points
BMI > 40 kg/m2 1.7 0.9–3.1 1.8 1.0–3.4 2
Operative time > 180
minutes		 2.3 1.2–4.2 2.3 1.2–4.2 2
Age > 60 years 3.9 1.8–8.8 4.3 1.9–9.7 4

A logistic regression model was constructed to identify predictors of venous thromboembolism among MIS patients (n=6160).

All adjusted odds ratios are adjusted for BMI, operative time and age.

MIS VTE – minimally invasive surgery venous thromboembolism; BMI – body mass index

OR – odds ratio, CI – confidence interval