Table 3.

Correlations between clinical predictors and length of stay

	APGAR 5 min	Base excess	pH	LOS
APGAR 5 min		r = 0.63 P = 0.02	r = 0.55 P = 0.04	r = −0.31 P = 0.29
Base excess			r = 0.76 P = 0.002	r = −0.35 P = 0.24
pH				r = −0.54 P = 0.05