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Table 2 Adverse Maternal and Neonatal Outcomes by Maternal Agea

From: The association of maternal age with adverse neonatal outcomes in Lusaka, Zambia: a prospective cohort study

Characteristic Total (N=11,501) Maternal Age  
  10-19 20-24 25-34 35+ p-valuea
  (n=1,788) (n=3,980) (n=4,651) (n=1,082)  
N ( column % ) N ( column % ) N ( column % ) N ( column % ) N ( column % )  
Maternal Outcomes
 Maternal death 9 (0.08) 0 (0.0) 3 (0.08) 5 (0.11) 1 (0.09) 0.6
 Obstructed or prolonged labour 244 (2.3) 46 (2.8) 83 (2.2) 92 (2.1) 23 (2.2) 0.4
 Severe haemorrhage (Antepartum/ Postpartum) 48 (0.4) 3 (0.2) 10 (0.3) 26 (0.6) 9 (0.9) 0.009**
 Pre-eclampsia 172 (1.6) 27 (1.6) 43 (1.2) 76 (1.7) 26 (2.5) 0.01*
 Breech/transverse or oblique lie 58 (0.5) 5 (0.3) 12 (0.3) 31 (0.7) 10 (1.0) 0.01*
 Severe infection 20 (0.2) 2 (0.1) 6 (0.2) 7 (0.2) 5 (0.5) 0.2
 Preterm labour 123 (1.1) 19 (1.2) 29 (0.8) 58 (1.3) 17 (1.6) 0.05*
 Preterm premature rapture of membrane (PPROM) 41 (0.4) 7 (0.4) 7 (0.2) 22 (0.5) 5 (0.5) 0.1
Neonatal Outcomes
 Low birthweight (<2500 grams) 1,034 (9.7) 205 (12.8) 322 (8.8) 403 (9.3) 104 (10.2) <0.001**
 Preterm birth 546 (4.9) 102 (6.0) 154 (4.0) 228 (5.0) 62 (5.8) 0.004**
 Resuscitation needed at birth 643 (5.9) 80 (4.8) 242 (6.4) 273 (6.1) 48 (4.6) 0.03*
 Miscarriage 32(0.3) 3 (0.2) 11 (0.3) 16 (0.4) 2 (0.2) 0.7
 Stillbirth 155 (1.4) 26 (1.5) 45 (1.2) 63 (1.4) 21 (2.0) 0.2
 Death in first 7 days after birth 121 (1.1) 18 (1.1) 42 (1.1) 48 (1.1) 13 (1.3) 1
 Death in first 28 days after birth 145 (1.3) 19 (1.1) 51 (1.4) 58 (1.3) 17 (1.6) 0.7
  1. aP-value from chi-squared test, or fisher's exact test if number of outcomes <5 *p<0.05, **p<0.01