Table 2.

Multivariable analyses of the total times of instillation within 3 months

Variable	ß	SE	P-value
Sex
Male	0.191	0.056	< 0.001
Age
50–64 years	0.254	0.098	0.010
65–74 years	0.493	0.096	< 0.001
≧75 years	0.533	0.096	< 0.001
With prior TB vs. without prior TB	−0.113	0.107	0.290

TB, tuberculosis