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Table 1 Associations of perinatal death (PND) with maternal characteristics at both the tertiary and secondary care level hospitals (2001-2006)

From: Risk factors for perinatal death in two different levels of care: a case–control study

Maternal characteristic Level III Hospital Level II Hospital
  PND Controls OR p PND Controls OR p
  (n=277) (n=1081) (95% CI)   (n=22) (n=80) (95% CI)  
Maternal age (years)       
  20 -34 years 176 (63.5%) 682 (63.1%) 1.00   14 (63.6%) 51 (63.8%) 1.00  
  < 20 years 73 (26.4%) 285 (26.4%) 0.99 (0.73-1.35) 0.969(1) 5 (22.7%) 21 (26.3%) 0.87 (0.28-2.71) 0.967(1)
  ≥ 35 years 28 (10.1%) 114 (10.5%) 0.96 (0.62-1.50) 0.863(1) 3 (13.6%) 8 (10.0%) 1.37 (0.32-5.84) 0.701(2)
Parity         
  Multíparous 167 (60.3%) 811 (75%) 1.00   15 (68.2%) 59 (73.8%) 1.00  
  Primíparous 110 (39.7%) 270 (25%) 1.97 (1.49-2.61) < 0.001(1) 7 (31.8%) 21 (26.2%) 1.31 (0.47-3.65) 0.604(1)
Hemorrhage         
  No 250 (90.2%) 1060 (98.1%) 1.00   19 (86.4%) 80 (100.0%) 1.00  
  Yes 27 (9.8%) 21 (1.9%) 5.75 (3.17-10.42) < 0.001(1) 3 (13.6%) 0 (0.0%) - - - 0.009(2)
Arterial hypertension       
  No 209 (75.5%) 930 (86.0%) 1.00   19 (86.4%) 78 (97.5%) 1.00  
  Yes 68 (24.5%) 151 (14.0%) 2.00 (1.45-2.77) < 0.001(1) 3 (13.6%) 2 (2.5%) 6.16 (0.96-39.48) 0.066(2)
Intrauterine infection       
  No 230 (83.0%) 1047 (96.9%) 1.00   21 (95.5%) 78 (97.5%) 1.00  
  Yes 47 (17.0%) 34 (3.1%) 6.49 (4.07-10.36) < 0.001(1) 1 (4.5%) 2 (2.5%) 1.86 (0.16-21.49) 0.521(2)
Diabetes         
  No 262 (94.6%) 1025 (94.8%) 1.00   22 (100.0%) 78 (97.5%) 1.00  
  Yes 15 (5.4%) 36 (5.2%) 1.05 (0.58-1.88) 0.876(1) 0 (0.0%) 2 (2.5%) - - - 1.000(2)
Cardiopathy         
  No 269 (97.1%) 1059 (98.0%) 1.00   22 (100.0%) 79 (98.8%) 1.00  
  Yes 8 (2.9%) 22 (2.0%) 1.43 (0.63-3.25) 0.389(1) 0 (0.0%) 1 (1.2%) - - - 1.000(2)
Urinary infection       
  No 239 (86.3%) 1045 (96.7%) 1.00   22 (100.0%) 79 (98.8%) 1.00  
  Yes 38 (13.7%) 36 (3.3%) 4.62 (2.86-7.44) < 0.001(1) 0 (0.0%) 1 (1.2%) - - - 1.000(2)
  1. (1)Chi-square test.
  2. (2)Fisher’s exact test.