Modeling Survival Time to Death among Stroke Patients at Jimma University Medical Center, Southwest Ethiopia: A Retrospective Cohort Study

Table 4

Result of multivariable Weibull AFT model.

Covariates	Categories	Coef	SE		95% CI for	value
Age	Continuous	-0.01	0.004	0.98	(0.97, 0.99)	<0.001
Atrial fibrillation (ref: no)	Yes	-0.39	0.14	0.67	(0.51, 0.94)	0.004
Alcohol consumption (ref: no)	Yes	-0.32	0.13	0.72	(0.56, 0.94)	0.013
Types of stroke (ref: ischemic)	Hemorrhagic	-0.33	0.13	0.73	(0.55, 0.93)	0.011
Hypertension (ref: no)	Yes	-0.65	0.18	0.52	(0.37, 0.75)	<0.001
Diabetes mellitus (ref: no)	Yes	-0.38	0.13	0.68	(0.52, 0.88)	0.003

Coef = estimated value of coefficients; SE = standard error, = acceleration factor; 95% CI = 95% confidence interval for acceleration factor; ref = reference. Statistically significant at 5% level.