Table 4. Results of the Weibull AFT model for TM patients .

Variables	Parameter estimation	SE *	P-value	HR
Birth place (near the sea)	0.243	0.098	0.013**	1.275
Age at onset of disease	-0.246	0.092	0.008**	0.782
Age of Desferal injection	0.036	0.044	0.422	1.036
Splenectomy (no)	0.172	0.351	0.625	1.187
Maternal education	0.195	0.209	0.350	1.216
Consanguinity (yes)	-0.384	0.324	0.236	0.681
Age of transfused blood	0.202	0.117	0.084	1.223
Born time (after 1997)	-0.776	0.534	0.146	0.460
Gender (female)	0.464	0.325	0.154	1.590
Shape parameter	3.976	0.722	-	-
Scale parameter	0.781	0.181	-	-
AIC=158.509	-	-	-	-

*Standard error; **Significant at alpha=0.05