Table 5.

Multivariate Logistic Regression Analysis of the Factors Associated With Poor Outcomes in All 143 Children

Variable	Concentration	No. of Patients	Adjusted OR (95% CI)	P Value
Pyrazinamide peak, mg/L	≤38.10	55 (43)	Referent
	>38.10	72 (57)	.15 (.05–.50)	.002
Rifampin peak, mg/L	<3.02	50 (36)	Referent
	3.02–6.20	57 (40)	.19 (.06–.56)	.003
	>6.20	34 (24)	.10 (.02–.55)	.008
Isoniazid peak, mg/L	≤4.55	61 (43)	Referent
	4.55–7.50	43 (30)	3.08 (.91–10.45)	.071
	>7.50	39 (27)	2.83 (.53–14.95)	.222

Italics values represent P-values <.05.

Abbreviations: CI, confidence interval; OR, odds ratio.