Table 3. Multivariate analysis of risk factors for 7 types of extrapulmonary TB compared with pulmonary TB, China, 2008–2017*.
| Patient characteristic | Odds ratio (95% CI) |
||||||
|---|---|---|---|---|---|---|---|
| Skeletal, n = 2,643 | Pleural, n = 1,673 | Meningeal, n = 440 | Disseminated, n = 427 | Lymphatic, n = 333 | Genitourinary, n = 44 | Others, n = 873 | |
| Sex | |||||||
| M | Referent | Referent | Referent | Referent | Referent | Referent | Referent |
| F |
1.64
(1.49–1.81) |
0.76
(0.67–0.86) |
1.15
(0.93–1.43) |
1.68
(1.36–2.08) |
4.11
(3.17–5.34) |
5.74
(2.77–11.90) |
1.27
(1.09–1.48) |
| Age group, y | |||||||
| <25 | 1.14 (0.97–1.33) | 2.26 (1.88–2.70) | 3.24 (2.17–4.86) | 2.32 (1.65–3.26) | 3.54 (2.14–5.85) | 2.26 (0.46–11.70) | 1.92 (1.45–2.54) |
| 25–44 | 1.08 (0.93–1.25) | 1.86 (1.57–2.20) | 3.06 (2.09–4.49) | 1.38 (0.98–1.93) | 4.93 (3.09–7.87) | 3.48 (0.76–15.93) | 2.06 (1.59–2.66) |
| 45–64 | 1.33 (1.16–1.52) | 1.01 (0.85–1.21) | 1.65 (1.11–2.46) | 0.78 (0.54–1.12) | 2.09 (1.26–3.46) | 5.85 (1.33–25.78) | 1.83 (1.42–2.36) |
| ≥65 |
Referent |
Referent |
Referent |
Referent |
Referent |
Referent |
Referent |
| Residence | |||||||
| Rural | Referent | Referent | Referent | Referent | Referent | Referent | Referent |
| Urban |
0.63
(0.56–0.70) |
0.94
(0.82–1.07) |
0.68
(0.54–0.86) |
0.69
(0.54–0.87) |
1.92
(1.35–2.73) |
0.91
(0.45–1.85) |
0.83
(0.70–0.98) |
| Treatment history | |||||||
| New case | Referent | Referent | Referent | Referent | Referent | Referent | Referent |
| Retreated case |
0.06
(0.04–0.09) |
0.14
(0.10–0.20) |
0.24
(0.14–0.40) |
0.31
(0.19–0.49) |
0.36
(0.22–0.58) |
0.29
(0.07–1.20) |
0.95
(0.77–1.17) |
| Diabetes | |||||||
| No | Referent | Referent | Referent | Referent | Referent | Referent | Referent |
| Yes |
0.84
(0.61–1.16) |
0.29
(0.16–0.54) |
0.25
(0.06–1.03) |
0.62
(0.23–1.68) |
0.18
(0.02–1.30) |
– |
0.34
(0.15–0.77) |
| Culture determination | |||||||
| Negative | Referent | Referent | Referent | Referent | Referent | Referent | Referent |
| Positive |
0.13
(0.12–0.15) |
0.15
(0.13–0.18) |
0.05
(0.03–0.08) |
0.36
(0.29–0.47) |
0.02
(0.01–0.06) |
0.14
(0.05–0.38) |
0.31
(0.26–0.37) |
| *The pulmonary TB group was set as a reference for each comparison in multivariate analysis. Odds ratios were adjusted for all variables used in this model. Bold indicates significance. TB, tuberculosis. | |||||||