Skip to main content

Table 1 Comparison of gender and birth weight distribution of neonates in experimental and control groups

From: Efficacy of zinc sulfate on indirect hyperbilirubinemia in premature infants admitted to neonatal intensive care unit: a double-blind, randomized clinical trial

Study groupExperimental Frequency (percentage)Control Frequency (percentage)P-value Chi-square test
Variable
Birth weight (gr)
  < 15009 (30)12 (40)P = 0.065
  ≥ 150021 (70)18 (60) 
Gender
 Female11 (44)14 (56)P = 0.39
 Male14 (56)11 (44) 
Study groupExperimental Mean ± Standard deviation (\( \overline{\mathrm{X}}\pm SD\Big) \)Control Mean ± Standard deviation (\( \overline{\mathrm{X}}\pm SD\Big) \)Independent t-test
Variable
Neonate’s age (hour)70.21 ± 8.965.20 ± 6.8P = 0.35
Gestational age (week)33.2 ± 1.2732.1 ± 1.77P = 0.06