Table 5. Univariable and multivariable associations with unsuccessful treatment outcome.

Variables	Univariate analysis		Multivariate analysis
	Odds Ratio (95% C.I.)	p value	Odds Ratio (95% C.I.)	p value
Age>65 year-old	1.14(0.43–3.02)	0.788	1.24(0.42–3.64)	0.696
Prior tuberculosis treatment	2.68(1.02–3.05)	0.041	2.82(1.02–7.77)	0.045
Positive AFB smear test	1.17(0.42–3.28)	0.770	0.96(0.32–2.95)	0.947
Sputum culture conversion at ≤2 months	1.07(0.36–3.23)	0.899	0.96(0.29–3.18)	0.945
INH high-concentration resistance	0.69(0.26–1.84)	0.459	0.62(0.22–1.72)	0.357

Abbreviations: INH: isoniazid; AFB: acid fast bacilli; CI: confidence interval.