Table 3. Prediction of IVH using multivariable logistic regression analysis .

OR: odd's ratio; CI: confidence interval; Ref: benchmark condition for comparison; Hct: hematocrit

Models lacking an OR value are marked with a dash ("-")

Clinical variable	Model 1 OR (95% CI)	Model 1 p-value	Model 2 OR (95% CI)	Model 2 p-value	Model 3 OR (95% CI)	Model 3 p-value	Model 4 OR (95% CI)	Model 4 p-value
JSH/outborn (Ref: Yes)	1.007 (0.127-7.989)	0.9950	0.695 (0.069-7.027)	0.7581	1.101 (0.124-9.761)	0.9313	0.911 (0.067-12.378)	0.9442
Day 2 Hct	0.781 (0.607-1.005)	0.0548	0.782 (0.607-1.006)	0.0558	0.731 (0.542-0.986)	0.0401	0.704 (0.514-0.963)	0.0283
Day 2 calorie intake	1.100 (0.990-1.223)	0.0748	1.098 (0.982-1.226)	0.0996	1.098 (0.986-1.223)	0.0892	1.091 (0.962-1.236)	0.1737
Birth weight (Ref: ≥550 g)	-	-	5.732 (0.535-61.420)	0.1491	-	-	9.540 (0.686-132.776)	0.0932
Gestational age (Ref: ≥25 weeks)	-	-	-	-	0.243 (0.010-5.676)	0.3792	0.092 (0.002-3.812)	0.2092