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Table 3 Univariate and multivariate analysis of factors associated with RR-TB detection in Shanghai, China, in the first half of each of 2017 and 2018

From: Effect of the Xpert MTB/RIF on the detection of pulmonary tuberculosis cases and rifampicin resistance in Shanghai, China

VariablesNumber of RR-TB patients (n = 156)Unadjusted HR (95%CI)Adjusted HR (95%CI)a
Sex
 Female441.001.00
 Male1121.05 (0.73–1.51)0.88 (0.59–1.31)
Age
 15–29481.001.00
 30–44360.97 (0.63–1.51)1.37 (0.86–2.19)
 45–59450.98 (0.65–1.47)0.93 (0.60–1.46)
  > =60270.75 (0.46–1.22)1.08 (0.64–1.84)
Hospital
 County-level471.001.00
 Referral1092.65 (1.75–4.03)2.92 (1.85–4.59)
Local resident
 No861.001.00
 Yes700.97 (0.71–1.34)1.13 (0.78–1.63)
TB case
 New1191.001.00
 Recurrent371.39 (0.28–1.19)1.66 (1.11–2.50)
Sputum culture
 Not done81.001.00
 Done1480.58 (0.28–1.19)1.90 (0.85–4.26)
Xpert
 Not Done791.001.00
 Done773.26 (2.35–4.53)4.62 (3.18–6.71)
  1. PTB Pulmonary tuberculosis
  2. Xpert Xpert MTB/RIF
  3. MTB Mycobacteria of tuberculosis
  4. Delay of RR-TB detection: days from the first visit to a TB hospital to when rifampicin-resistance was reported
  5. aAdjusted for the other factors shown in the multivariate model