Research Article
The Feasibility of Xpert MTB/RIF Testing to Detect Rifampicin Resistance among Childhood Tuberculosis for Prevalence Surveys in Northern China
Table 1
Demographic characteristic of childhood TB patients enrolled in this study.
| Characteristics | Diagnostic class | Univariate | Multivariate log-binomial | Xpert-positive (139) (%) | Xpert-negative (223) (%) | Total (362) (%) | Relative risk (95% ) | value | Relative risk (95% ) | value |
| Gender | | | | | | | | Male | 75 (54.0) | 144 (64.6) | 219 (60.5) | 1.00 | — | 1.00 | — | Female | 64 (46.0) | 79 (35.4) | 143 (39.5) | 1.55 (1.01–2.40) | 0.04 | 1.08 (0.99–1.19) | 0.11 | Age (years) | | | | | | | | <1 | 59 (42.4) | 53 (23.8) | 112 (30.9) | 2.94 (1.69–5.13) | <0.01 | 1.24 (1.15–1.35) | 0.03 | 1–5 | 31 (22.3) | 82 (36.8) | 113 (31.2) | 1.00 | — | 1.00 | — | >5 | 49 (35.3) | 88 (39.4) | 137 (37.9) | 1.47 (0.87–2.53) | 0.16 | 1.15 (0.83–1.43) | 0.24 | Residence | | | | | | | | Urban | 18 (12.9) | 83 (37.2) | 101 (27.9) | 1.00 | — | 1.00 | — | Rural | 121 (87.1) | 140 (62.8) | 261 (72.1) | 3.98 (2.27–7.01) | <0.01 | 1.27 (1.16–1.39) | <0.01 | Contact history | | | | | | | | No | 92 (66.2) | 144 (64.6) | 236 (65.2) | 0.93 (0.60–1.45) | 0.75 | — | — | Yes | 47 (33.8) | 79 (35.4) | 126 (34.8) | 1.00 | — | — | — | Treatment history | | | | | | — | — | New cases | 135 (97.1) | 215 (96.4) | 350 (96.7) | 1.00 | — | — | — | Retreated | 4 (2.9) | 8 (3.6) | 12 (3.3) | 0.80 (0.24–2.70) | 0.77 | — | — |
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CI: confidence interval.
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