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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

Variables

Number of RR-TB patients (n = 156)

Unadjusted HR (95%CI)

Adjusted HR (95%CI)a

Sex

 Female

44

1.00

1.00

 Male

112

1.05 (0.73–1.51)

0.88 (0.59–1.31)

Age

 15–29

48

1.00

1.00

 30–44

36

0.97 (0.63–1.51)

1.37 (0.86–2.19)

 45–59

45

0.98 (0.65–1.47)

0.93 (0.60–1.46)

  > =60

27

0.75 (0.46–1.22)

1.08 (0.64–1.84)

Hospital

 County-level

47

1.00

1.00

 Referral

109

2.65 (1.75–4.03)

2.92 (1.85–4.59)

Local resident

 No

86

1.00

1.00

 Yes

70

0.97 (0.71–1.34)

1.13 (0.78–1.63)

TB case

 New

119

1.00

1.00

 Recurrent

37

1.39 (0.28–1.19)

1.66 (1.11–2.50)

Sputum culture

 Not done

8

1.00

1.00

 Done

148

0.58 (0.28–1.19)

1.90 (0.85–4.26)

Xpert

 Not Done

79

1.00

1.00

 Done

77

3.26 (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