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Table 3 Predictors of perinatal death in next pregnancy by maternal conditions in the first pregnancy

From: Recurrence of perinatal death in Northern Tanzania: a registry based cohort study

   Perinatal death in a subsequent pregnancy
Maternal conditions Babies at risk n (%) RR* (95% CI) P-value
Perinatal mortality     
  Yes 342 31 (9.1) 3.2 (2.2 - 4.7) <0.001
  No 4,161 115 (2.8) Reference  
Preeclampsia     
  Yes 149 22 (14.8) 4.5 (2.9 - 7.1) <0.001
  No 4,208 124 (2.9) Reference  
Preterm delivery     
  Yes 545 65 (11.9) 5.8 (4.1 - 8.0) <0.001
  No 3,476 66 (1.9) Reference  
Low birth weight     
  Yes 613 78 (12.7) 6.5 (4.7 - 8.9) <0.001
  No 3,724 66 (1.8) Reference  
Caesarea section     
  Yes 1,392 59 (4.2) 1.4 (1.0 - 1.9) 0.04
  No 2,947 87 (2.9) Reference  
Induced labour     
  Yes 1,727 66 (3.8) 1.3 (0.9 - 1.8) 0.15
  No 2,630 80 (3.0) Reference  
Infections     
  Yes 1,852 53 (2.9) 0.8 (0.6 - 1.1) 0.14
  No 2,505 93 (3.7) Reference  
  1. *RR: adjusted relative risk.
  2. †CI: confidence interval.
  3. ‡Adjusted for maternal age and education attainment in Log-binomial model accounting for correlation between successive deliveries of the same mother.