Table 3. Adjusted association between BMI and adverse perinatal outcomes.
(adjusted for age, PCOS, parity and type of COH).
| Parameter | <18.50 (REF) | 18.50–24.99 | OR (95%CI) | P value | ≥25.00 | OR (95%CI) | P value |
|---|---|---|---|---|---|---|---|
| (n = 2485) | (n = 1033) | (n = 444) | |||||
| GDM(%) | 99/2485(3.98) | 83/1033(8.03) | 2.05(1.51–2.78) | <0.001 | 44/444(9.91) | 2.32(1.58–3.40) | <0.001 |
| HDP(%) | 84/2485(3.38) | 47/1033(4.55) | 1.24(0.86–1.79) | 0.256 | 51/444(11.49) | 3.08(2.11–4.50) | <0.001 |
| Preeclampsia(%) | 13/2485(0.52) | 7/1033(0.68) | 1.18(0.47–3.00) | 0.725 | 9/444(2.03) | 2.92(1.19–7.20) | 0.020 |
| Polydydramnios(%) | 29/2485(1.17) | 21/1033(2.03) | 1.62(0.91–2.87) | 0.102 | 13/444(2.93) | 2.25(1.14–4.47) | 0.020 |
| Oligodydramnios(%) | 144/2485(5.79) | 59/1033(5.71) | 0.99(0.72–1.35) | 0.941 | 24/444(5.41) | 0.95(0.60–1.49) | 0.809 |
| PPPOM(% | 34/2485(1.37) | 23/1033(2.23) | 1.62(0.94–2.77) | 0.082 | 12/444(2.70) | 1.62(0.94–2.77) | 0.048 |
| PP(%) | 85/2485(3.42) | 27/1033(2.61) | 0.78(0.50–1.21) | 0.267 | 12/444(2.70) | 0.90(0.48–1.67) | 0.731 |
| Placental abruption(%) | 76/2485(3.06) | 5/1033(0.48) | 2.06(0.62–6.84) | 0.238 | 5/444(1.13) | 4.51(1.30–15.60) | 0.017 |
| PTB<32weeks(%) | 24/2485(0.97) | 9/1033(0.87) | 0.90(0.41–1.95) | 0.784 | 7/444(1.58) | 1.39(0.57–3.37) | 0.464 |
| PTB<37weeks (%) | 159/2485(6.40) | 80/1033(7.74) | 1.19(0.90–1.58) | 0.220 | 49/444(11.04) | 1.68(1.18–2.37) | 0.004 |
| CS(%) | 1889/2485(76.02) | 866/1033(83.83) | 1.65(1.36–2.00) | <0.001 | 385/444(86.71) | 2.19(1.63–2.95) | <0.001 |
| PPH(%) | 36/2485(1.45) | 14/1033(1.36) | 1.01(0.54–1.89) | 0.973 | 3/444(0.68) | 0.56(0.17–1.86) | 0.346 |
| Fetal macrosomia(%) | 309/2485(12.43) | 198/1033(19.17) | 1.69(1.39–2.06) | <0.001 | 105/444(23.65) | 2.28(1.76–2.95) | <0.001 |
| Respiratory distress(%) | 12/2485(0.48) | 12/1033(1.16) | 1.73(0.72–4.19) | 0.222 | 7/444(1.54) | 3.17(1.23–8.19) | 0.017 |
| SGA(%) | 97/2485(3.90) | 24/1033(2.32) | 0.62(0.39–0.99) | 0.038 | 13/444(2.93) | 0.84(0.46–1.54) | 0.578 |
| LGA(%) | 432/2485(17.38) | 282/1033(27.30) | 1.77(1.49–2.11) | <0.001 | 146/444(32.88) | 2.33(1.85–2.94) | <0.001 |
| LBW<1,500g(%) | 8/2485(0.32) | 5/1033(0.48) | 1.24(0.39–4.00) | 0.718 | 5/444(1.13) | 1.90(0.56–6.49) | 0.306 |
| LBW<2,500g(%) | 91/2485(3.66) | 33/1033(3.19) | 0.71(0.44–1.15) | 0.160 | 18/444(4.05) | 0.64(0.34–1.19) | 0.155 |
| NICU admission(%) | 156/2485(6.28) | 94/1033(9.10) | 1.40(1.05–1.88) | 0.022 | 52/444(11.71) | 1.51(1.04–2.29) | 0.032 |
| Congenital anomalies(%) | 94/2485(3.78) | 41/1033(3.97) | 1.03(0.71–1.51) | 0.869 | 29/444(6.53) | 1.63(1.04–2.56) | 0.032 |
| Mortality(%) | 12/2485(0.48) | 5/1033(0.48) | 1.01(0.35–2.94) | 0.980 | 3/444(0.68) | 1.31(0.35–4.88) | 0.692 |