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
| 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) |
PTB Pulmonary tuberculosis
Xpert Xpert MTB/RIF
MTB Mycobacteria of tuberculosis
Delay of RR-TB detection: days from the first visit to a TB hospital to when rifampicin-resistance was reported
aAdjusted for the other factors shown in the multivariate model