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. 2019 Feb 4;14(2):e0211278. doi: 10.1371/journal.pone.0211278

Table 2. Current pregnancy details and complications in pregnant women with BMI>50 and comparison women with BMI<50 during pregnancy.

  Number (%) of obese women (n = 932) Number (%) of comparison women (n = 1232) Unadjusted Odds Ratios 95% Confidence intervals P-value
Multiple pregnancy No 908 (97.4) 1,211 (98.3) 1
Yes 24 (2.6) 20 (1.6) 1.60 (0.88–2.92) 0.124
Missing 0 (0) 1 (0.1)
Hypertensive disorder during pregnancy No 708 (76) 1,167 (94.7) 1
Yes 216 (23.2) 52 (4.2) 6.85 (4.99–9.40) <0.001
Missing 8 (0.9) 13 (1.1)
Pregnancy induced hypertension No 796 (85.4) 1,195 (97) 1
Yes 128 (13.7) 24 (1.9) 8.01 (5.13–12.50) <0.001
Missing 8 (0.9) 13 (1.1)
Preeclampsia and eclampsia No 836 (89.7) 1,191 (96.7) 1
Yes 88 (9.4) 28 (2.3) 4.48 (2.99–6.91) <0.001
Missing 8 (0.9) 13 (1.1)
Induction of labour No 575 (61.7) 955 (77.5) 1
Yes 343 (36.8) 271 (22) 2.10 (1.74–2.54) <0.001
Missing 14 (1.5) 6 (0.5)
Caesarean delivery No 446 (47.9) 900 (73.1) 1
Yes 473 (50.8) 332 (26.9) 2.87 (2.40–3.44) <0.001
Missing 13 (1.4) 0 (0)
Wound infection in those with caesarean delivery No 391 (42) 310 (25.2) 1
Yes 71 (7.6) 7 (0.6) 8.04 (3.65–17.73) <0.001
N/A 459 (49.2) 900 (73.1)
Missing 11 (1.2) 15 (1.2)
Thrombotic event No 918 (98.5) 1,231 (99.9) 1
Yes 7 (0.8) 1 (0.1) 9.39 (1.15–76.43) 0.036
Missing 7 (0.8) 0 (0)      

Complete case analysis used for the unadjusted analysis.