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Table 1 Maternal and neonatal characteristics of cases and controls

From: Intrapartum factors associated with neonatal hypoxic ischemic encephalopathy: a case-controlled study

Characteristics Cases
(N = 26)
Controls
(N = 104)
P a
Maternal
 Age (years), mean (SD) 26.7 (3.8) 26.6 (3.7) 0.97
 BMI (kg/m2), mean (SD) 25.7 (5.8) 26.1 (6.0) 0.77
 Medicaid insurance, N (%) 6 (23.1%) 34 (32.7%) 0.34
 Race, N (%)    0.08
  Caucasian 18 (69.2) 89 (85.6)  
  Black or African American 5 (19.2) 4 (3.8)  
  Asian 2 (7.7) 6 (5.8)  
  Other 1 (3.8) 3 (2.9)  
  Unknown 0 (0.0) 2 (1.9)  
 Nulliparous, N (%) 14 (53.8) 41 (39.4) 0.18
Neonatal
 Male sex, N (%) 18 (69.2) 63 (60.6) 0.42
 Gestational age (weeks), median (IQR) 39 (38, 40) 39 (38, 40) 0.94
 Birth weight (grams), mean (SD) 3514 (596) 3448 (530) 0.58
  1. Abbreviations: BMI body mass index, IQR interquartile range, SD standard deviation
  2. aComparisons evaluated using the chi-square for sex, nulliparous and Medicaid insurance, the Wilcoxon rank-sum test for gestational age, the two-sample t-test for birth weight, maternal age and BMI, and the Fisher’s exact test for maternal race