Gray’s Time-Varying Coefficients Model for Posttransplant Survival of Pediatric Liver Transplant Recipients with a Diagnosis of Cancer

Table 4

Estimated coefficients and test 𝑃 values using multiple imputed data.

Covariate	Cox PH		Gray PC-TVC
	Log hazard ratio (95% CI)	𝑃 value	𝑃 value	Nonprop 𝑃 value
Donor blood type
A	−0.608 (−1.341, 0.126)	0.104	0.234	0.547
B	−0.387 (−1.577, 0.803)	0.524	0.694	0.533
AB	0.486 (−1.205, 2.176)	0.573	0.001	0.003
Serum creatinine (mg/dL)	1.698 (0.768, 2.626)	<0.001	<0.001	0.468
On ventilator	0.842 (−0.149, 1.834)	0.096	0.003	0.016
Positive CMV	0.670 (0.098, 1.243)	0.022	0.014	0.134
Female gender	−0.178 (−0.750, 0.394)	0.542	0.084	0.018