Elevated sICAM-1 and sVCAM-1 levels and preterm delivery: after inclusion and exclusion of preeclampsia, gestational diabetes and twins

Abbreviations: AOR, adjusted odds ratio; 95% CI, 95% confidence interval.
*The AOR (95% CI) compares the highest quartile to the lowest quartile of each biomarker.
†Model 1: Models were adjusted for age, BMI, parity, cigarette smoking, ethnicity, prior history of preterm delivery, preeclampsia and gestational diabetes. Twins were excluded.
‡Model 2. Models were adjusted for age, BMI, parity, cigarette smoking, ethnicity and prior history of preterm delivery. Patients with preeclampsia, gestational diabetes as well as twins were excluded.
§Medically indicated cases of preterm delivery were excluded.