Table 1: Comparison of baseline variables in study groups and their association with feed intolerance. 
 Total  Group A (165)  Group B (153)   Odd ratio  95% CI  Over all feed intolerance  16  21  0.253  0.67  0.338–1.3475 
 GA*  34–36 wks 6 days  Group A (98)  Group B (69)   Odd ratio  95% CI  9  12  0.1207  0.4803  0.1903–1.2126  37–40 wks  Group A (67)  Group B (84)   Odd ratio  95% CI  7  9  0.9578  0.9722  0.3421–2.7629 
 B.Wt  <2 kg  Group A (21)  Group B (19)   Odd ratio  95% CI  7  5  0.6292  1.4000  0.3572–5.4874  23 kg  Group A (140)  Group B (122)   Odd ratio  95% CI  7  6  0.9878  1.0088  0.3296–3.0875  >3 kg  Group A (4)  Group B (12)   Odd ratio  95% CI  2  10  0.2032  0.200  0.0168–2.3864 
 Gender  M  Group A (86)  Group B (80)   Odd ratio  95% CI  9  11  0.5171  0.7332  0.2867–1.8750  F  Group A (79)  Group B (73)   Odd ratio  95% CI  7  10  0.5574  0.7350  0.2628–2.0558 
 MOD^{#}  Vaginal  Group A (92)  Group B (93)   Odd ratio  95% CI  7  11  0.33  0.61  0.22–1.66  C/S  Group A (73)  Group B (60)   Odd ratio  95% CI  9  10  0.47  0.70  0.26–1.86 
 COM**  Thick  Group A (40)  Group B (42)   Odd ratio  95% CI  7  8  0.85  0.90  0.29–2.76  Thin  Group A (125)  Group B (111)   Odd ratio  95% CI  9  13  0.23  0.58  0.23–1.42 


Group A: the “gastric lavage” group; group B: the “no gastric lavage” group; CI: confidence interval; GA*: gestational age; B.Wt: birth weight; wks: weeks; kg: kilograms; M: male; F: female; MOD^{#}: mode of delivery; C/S: cesarean section; COM**: consistency of meconium.
