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.

CharacteristicsDiagnostic classUnivariateMultivariate log-binomial
Xpert-positive (139) 
(%)
Xpert-negative (223) 
(%)
Total (362)  
(%)
Relative risk
(95%  )
  valueRelative risk
(95%  )
  value

Gender
 Male75 (54.0)144 (64.6)219 (60.5)1.001.00
 Female64 (46.0)79 (35.4)143 (39.5)1.55 (1.01–2.40)0.041.08 (0.99–1.19)0.11
Age (years)
 <159 (42.4)53 (23.8)112 (30.9)2.94 (1.69–5.13)<0.011.24 (1.15–1.35)0.03
 1–531 (22.3)82 (36.8)113 (31.2)1.001.00
 >549 (35.3)88 (39.4)137 (37.9)1.47 (0.87–2.53)0.161.15 (0.83–1.43)0.24
Residence
 Urban18 (12.9)83 (37.2)101 (27.9)1.001.00
 Rural121 (87.1)140 (62.8)261 (72.1)3.98 (2.27–7.01)<0.011.27 (1.16–1.39)<0.01
Contact history
 No92 (66.2)144 (64.6)236 (65.2)0.93 (0.60–1.45)0.75
 Yes47 (33.8)79 (35.4)126 (34.8)1.00
Treatment history
 New cases135 (97.1)215 (96.4)350 (96.7)1.00
 Retreated4 (2.9)8 (3.6)12 (3.3)0.80 (0.24–2.70)0.77

CI: confidence interval.