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. 2016 Dec 22;11(12):e0168476. doi: 10.1371/journal.pone.0168476

Table 3. Relative Risk of Obstetrical Complications and Neonatal Outcomes.

Endometriosis Endometriosis multivariable-adjusteda
Crude OR (95% CI) Adjusted OR (95% CI)
Obstetrical complications 1.50 (1.20–1.87)b 1.50 (1.18–1.92)b
Threatened abortion 1.22 (0.88–1.71) 1.28 (0.88–1.85)
Threatened premature delivery 1.52 (1.18–1.96)b 1.53 (1.16–2.03)b
Preterm PROM 2.17 (1.13–4.17)b 1.84 (0.84–4.01)
Gestational diabetes 1.58 (0.87–2.85) 1.35 (0.70–2.59)
Preeclampsia(mild) 0.56 (0.21–1.52) 0.47 (0.15–1.48)
Preeclampsia(severe) 1.18 (0.43–3.24) 1.25 (0.45–3.45)
Placenta previa 6.39 (3.38–12.09)b 6.42 (3.25–12.65)b
Placental abruption 3.99 (1.55–10.27)b 3.45 (1.19–10.01)b
Fetal growth restriction 1.36 (0.71–2.59) 1.60 (0.83–3.06)
Non-reassuring fetal status 1.34 (0.62–2.89) 1.51 (0.65–3.48)

OR, odds ratio; CI, confidence interval; n/a, not applicable

a Multivariable-adjusted by age, smoking (Non-,Ex-,Current), passive smoking (< 3 days/week, ≥3 days/week), alcohol drinking (Non-,Ex-, Current)

b P < .05