| UC (n = 361) | SC (n = 339) |  | SC vs. UC | SC vs. UC |
---|---|---|---|---|---|
Outcomes | Mean (SD) or n(%) | Mean (SD) or n(%) | P value | Unadjusted RR (95% CI) | Adjusted RR†(95% CI) |
Delivery at a tertiary hospital | 237(65.7%) | 237(69.9%) | 0.228 | Â | Â |
Gestational weeks at delivery | 39.2(2.1) | 39.4(2.9) | 0.243 | Â | Â |
Primary outcome | Â | Â | Â | Â | Â |
Birth weight ?4.0 kg | 63(17.5%) | 38(11.2%) | 0.019 | 0.64(0.44-0.93) | 0.66(0.45-0.95) |
Secondary outcome | Â | Â | Â | Â | Â |
Pregnancy-induced hypertension | 16(4.4%) | 27(8.0%) | 0.052 | 1.80(0.99-3.28) | 1.77(0.98-3.21) |
Other infant outcomes | Â | Â | Â | Â | |
Birth weight, g | 3469(574) | 3371(530) | 0.021 | Â | Â |
Body stature of neonates, cm | 50.2(1.9) | 50.1(1.8) | 0.248 | Â | Â |
Infant male gender | 190(52.9%) | 204(60.4%) | 0.048 | Â | Â |
Large for gestational age†| 72(19.9%) | 44(13.0%) | 0.013 | 0.65(0.46-0.92) | 0.66(0.47-0.93) |
Birth weight ≥4.5 kg | 10(2.8%) | 7(2.1%) | 0.541 | 0.75(0.29-1.94) | 0.75(0.28-1.99) |
Birth weight < 2.5 kg | 14(3.9%) | 14(4.1%) | 0.865 | 1.06(0.52-2.20) | 1.00(0.48-2.08) |
Apgar score at 1 min <7 | 7(1.9%) | 0(0%) | 0.016 | Â | Â |
Neonatal hypoglycemia†| 4(1.1%) | 2(0.6%) | 0.457 | 0.53(0.10-2.89) | 0.55(0.10-3.09) |
Birth trauma or shoulder dystocia | 0 | 0 | - | - | - |
Bone fracture | 0 | 0 | - | - | - |
Stillbirth or neonatal death | 4(1.1%) | 4(1.2%) | 0.929 | 1.06(0.27-4.22) | 1.01(0.27-3.84) |
Other maternal or delivery outcomes | Â | Â | Â | ||
Induced labor | 1(0.3%) | 0 | - | Â | Â |
Preterm birth | 28(7.8%) | 18(5.3%) | 0.192 | 0.68(0.39-1.21) | 0.64(0.36-1.14) |
Premature rupture of membrane | 69(19.1%) | 49(14.5%) | 0.100 | 0.76(0.54-1.06) | 0.74(0.53-1.04) |
Caesarean delivery | 233(64.5%) | 239(70.5%) | 0.093 | 1.09(0.99-1.21) | 1.09(0.98-1.21) |
Preeclampsia | 8(2.2%) | 18(5.3%) | 0.031 | 2.40(1.06-5.44) | 2.35(1.05-5.26) |
Gestational hypertension | 8(2.2%) | 9(2.7%) | 0.706 | 1.20(0.47-3.07) | 1.18(0.46-3.05) |