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Table 6 Multivariable logistic regression of the birth country/ethnicity-treatment outcome association, stratified by hospital caseload

From: Towards better guidance on caseload thresholds to promote positive tuberculosis treatment outcomes: a cohort study

Effect modifier Multivariable regressiona OR (95 % CI)
Hospital caseloadb
114+ 73–113 27–72 <27
UK born White Baseline Baseline Baseline Baseline
  Other 0.91 (0.69–1.20) 0.86 (0.67–1.09) 0.76 (0.60–0.97) 0.87 (0.68–1.12)
Not UK born White 0.91 (0.64–1.30) 1.04 (0.76–1.43) 1.15 (0.84–1.57) 1.40 (1.08–1.81)
  Black 0.70 (0.55–0.90) 0.69 (0.57–0.85) 0.88 (0.73–1.07) 1.02 (0.85–1.22)
  Indian subcontinent 0.77 (0.61–0.97) 0.82 (0.68–0.99) 0.89 (0.76–1.06) 0.98 (0.85–1.13)
  Other 0.66 (0.50–0.87) 0.75 (0.60–0.94) 1.06 (0.85–1.34) 1.11 (0.91–1.35)
  1. Multivariable random effects logistic regression of the association between country of birth and ethnicity and treatment outcome stratified by hospital caseload, England, 2006–2012. Models adjusted for clustering by hospital and for the variables listed in Table 4
  2. aOdds of an unfavourable versus a good or neutral treatment outcome; records missing an outcome excluded
  3. bMean caseload per hospital over the preceding 3 years
  4. CI Confidence interval, OR Cluster-specific odds ratio