36 Chapter 2 Table 3. Neonatal and maternal outcomes by region (percentages, crude and adjusted* ORs, compared to weighted mean, with 99% CIs Total GR FR DR OV 614,661 19,441 22,568 15,875 42,860 Antepartum and intrapartum stillbirth, n (%) Crude OR [99% CI] aOR* [99% CI] 717 (0.12) 23 (0.12) 1.02 [0.61-1.69] 1.04 [0.62-1.73] 32 (0.14) 1.22 [0.79-1.88] 1.26 [0.81-1.97] 17 (0.11) 0.92 [0.51-1.65] 0.93 [0.51-1.71] 42 (0.10) 0.84 [0.57-1.24] 0.90 [0.61-1.33] Neonatal mortality up to 7 days, n (%) Crude OR [99% CI] aOR* [99% CI] 471 (0.08) 14 (0.07) 0.93 [0.49-1.78] 0.93 [0.48-1.79] 13 (0.06) 0.75 [0.38-1.46] 0.76 [0.39-1.51] 12 (0.08) 0.98 [0.49-1.97] 1.06 [0.52-2.14] 29 (0.07) 0.88 [0.55-1.39] 0.83 [0.51-1.36] Apgar score below 7 at 5 minutes#, n (%) Crude OR [99% CI] aOR* [99% CI] 6410 (1.00) 291 (1.5) 1.53 [1.32-1.77] 1.47 [1.26-1.71] 280 (1.2) 1.26 [1.09-1.46] 1.28 [1.10-1.49] 132 (0.8) 0.84 [0.68-1.04] 0.90 [0.73-1.12] 354 (0.8) 0.84 [0.73-0.96] 0.85 [0.74-0.98] 3rd and 4th degree perineal tear for vaginal births, % Crude OR [99% CI] aOR* [99% CI] 14065 (2.76) 432 (2.68) 0.99 [0.88-1.12] 1.00 [0.88-1.12] 528 (2.84) 1.05 [0.94-1.17] 1.09 [0.98-1.22] 423 (3.15) 1.17 [1.04-1.32] 1.17 [1.03-1.33] 1061 (2.95) 1.10 [1.01-1.19] 1.10 [1.01-1.91] Postpartum haemorrhages ≥1000 ml, % Crude OR [99% CI] aOR* [99% CI] 35868 (6.00) 1088 (5.62) 0.99 [0.91-1.06] 0.99 [0.92-1.07] 1147 (5.17) 0.90 [0.84-0.97] 0.92 [0.85-0.99] 977 (6.19) 1.09 [1.01-1.18] 1.11 [1.02-1.21] 2283 (5.41) 0.95 [0.90-0.998] 0.94 [0.89-0.995] *Odds ratios, adjusted for parity, maternal age, ethnic background, socioeconomic status and urbanisation #Antepartum and intrapartum stillbirth cases are excluded for analyses of Apgar score below 7 at 5 minutes. Percentage of missing data: 0.0% for antepartum and intrapartum stillbirth, 0.1% for neonatal mortality, 0.1% for Apgar score below 7 at 5 minutes, 1.4% for 3rd and 4th degree perineal tear, 2.7% for postpartum haemorrhages >1000 ml.
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