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Table 1 Survival Analysis of 67 XDR-TB Patients

From: Mortality and associated factors of patients with extensive drug-resistant tuberculosis: an emerging public health crisis in China

Variables No. of cases, n (%) Univariate Analysis Multivariate Analysis
HR (95%CI) P aHR (95%CI) P
Age>50 years 32(47.8) 2.82(1.08–7.35) 0.034 2.40(0.84–6.85) 0.103
Male sex 51(76.1) 1.32(0.44–3.96) 0.619
BMI < 18.5 kg/m2 40(59.7) 4.30(1.26–14.72) 0.020 4.52(1.31–15.65) 0.017
Hb < 115 g/L 19(28.4) 2.49(1.03–6.03) 0.043 2.08(0.83–5.20) 0.117
ALB < 35 g/L 24(35.8) 4.37(1.73–11.03) 0.002 1.07(0.27–4.20) 0.920
TB course>3 years 32(47.8) 1.51(0.62–3.68) 0.369
Retreatment TB cases 53(79.1) 0.43(0.17–1.08) 0.073
Smoking history 27(40.3) 3.83(1.51–9.73) 0.005 4.67(1.66–13.16) 0.004
Drinking history 10(14.9) 2.18(0.79–6.01) 0.132  
combined with underlying diseases 23(34.3) 5.16(2.05–13.00) 0.001 3.48(1.30–9.36) 0.013
  1. Definition of abbreviations: XDR extensive drug-resistant, TB tuberculosis, HR hazard ration, CI confidence interval, aHR adjusted hazard ration, BMI body mass index, Hb hemoglobin, ALB albumin