TABLE 5.

Univariate and multivariate Cox regression analysis of peripheral blood cells associated with cavity closure of 47 patients with TB and anemia.

Factor	Group	Univariate analysisa		P-value	Multivariate analysisb		P-value
		Hazard ratio	95% CI		Hazard ratio	95% CI
MONO, 10^9/L	<0.535	1.969	1.022–3.794	0.043	3.614	1.335–9.787	0.011
	≥0.535	0.564	0.301–1.057
RBC, 10^12/L	<4.165	0.794	0.39–1.615	0.514	0.885	0.275–2.845	0.837
	≥4.165	1.179	0.725–1.918
PLT, 10^9/L	<294.5	1.322	0.625–2.796	0.449	1.076	0.401–2.889	0.885
	≥294.5	0.824	0.507–1.339
HCT, L/L	<0.3855	0.871	0.439–1.726	0.696	1.107	0.355–3.452	0.861
	≥0.3855	1.113	0.640–1.936

^aUnivariate analysis, Cox proportional hazards regression.

^bMultivariate analysis, Cox proportional hazards regression adjusting for age, sex, drug resistance, RBC, platelets and HCT.

CI, confidence interval; HR, hazard ratio; MONO, monocyte; RBC, red blood cell; PLT, platelets; HCT, hematocrit.