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.

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

Cases are in the numerator. OR: Odds Ratio. P: Probability.