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Table 3 Incidence of low birth-weight, low pulse oxygen saturation at first minute, low Apgar at first minute, and low neurological score at 24 hours.

From: Arterial oxygen saturation in healthy newborns delivered at term in Cerro de Pasco (4340 m) and Lima (150 m)

Incidence of Lima Cerro de Pasco OR Confidence Interval (at 95%) P
Low birthweight 3/131 (2.29%) 2/37 (5.40%) 2.44 0.39–15.18 0.3
Low pulse oxygen saturation 4/131 (3.05%) 8/37 (21.62) 8.76 2.47–31.07 0.0001
Low Apgar at first minute 3/131 (2.29%) 7/37 (18.92%) 9.96 2.43–40.77 0.0001
Low neurological score at 24 h 1/131 (0.76%) 8/37 (21.62%) 30.33 3.60–255.92 0.0001
  1. Cases are in the numerator. OR: Odds Ratio. P: Probability.