Table 4. Ordinal logistic regression for gender and IVH grade versus neurodevelopmental outcome on psychomotor development tests.

		Test 1		Test 2
	n	OR	95% CI	OR	95% CI
Gender
Female	81	0.45	(0.01-1.04)	1.46	(0.67-2.24)
Male	85	Ref		Ref
IVH
0	63	3.15	(1.90-4.41)	3.63	(2.23-4.96)
1	32	3.12	(1.78-4.45)	3.98	(2.41-5.55)
2	35	2.03	(0.75-3.31)	2.76	(1.42-4.09)
3	24	1.67	(0.33-3.02)	2.50	(1.10-3.89)
4	12	Ref		Ref

IVH = intraventricular hemorrhage; OR = odds ratio; 95% CI = 95% confidence interval; Ref = reference