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Table 1 The characteristic features of the study population

From: A study on the neurodevelopment outcomes of late preterm infants

  Group1 Group2 × 2 P value
N = 102 N = 153   
Male, n (%) 68(66.7) 94(61.4) 0.075 0.784
GA(weeks) -mean (SD) 35.5 (1.02) 39.6(1.13) − 22.76a < 0.001
BW(gram) -mean (SD) 2796 (4820) 3465(415) −0.996 a 0.321
Deliver mode, n (%)    0.075 0.784
Natural labor 35(34.3) 56(36.6)   
Caesarean section 67(65.7) 97(63.4)   
Perinatal risk factors, n (%) 65(63.7) 0 (0)   < 0.001b
Maternal education, n (%)    < 0.001 0.986
Completion of University 59(57.8) 88(57.5)   
Completion of Secondary school 43(42.2) 65(42.5)   
  1. at-test, b Fisher’s exact probability test. Significance = < 0.05