Table 4.

Hazard ratios of patient and caregiver factors as a predictor of transplant recipient’s survival time up to 8 years post-transplant.

Potential Predictors	Survival Time
	HR	Confidence Interval	p-value
Patient age, older	0.99	.97, 1.02	.549
Type of transplant, lung	2.28	1.32, 2.27	.003
Length of hospital stay post-transplanta	1.11	0.89, 1.37	.361
Patient physical functioning, 1 yr post-transplantb	0.98	0.97, 0.99	.001
Relationship to caregiver, spouse	0.78	0.40, 1.48	.439
Caregiver’s general health (SF-36) b	0.98	0.96, 0.99	.025
Caregiver’s physical functioning (SF-36) b	1.01	.99, 1.03	.322
Caregiver’s vitality (SF-36) b	1.00	.99, 1.02	.754
Caregiver’s bodily pain (SF-36) b	1.01	1.00, 1.03	.131
Caregiver’s role physical (SF-36) b	1.00	.99, 1.01	.876

^aordinal variable defined as in Table 1

^bhigher score = better functioning/HRQOL