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Table 5 Multivariable logistic regression of the hospital caseload-treatment outcome association, stratified by country of birth/ethnicity

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

Main exposure Multivariable regressiona OR (95 % CI)
UK born Not UK born
White Other White Black Indian subcontinent Other
Hospital caseloadb 114+ Baseline Baseline Baseline Baseline Baseline Baseline
73–113 1.01 (0.76–1.35) 0.95 (0.73–1.23) 1.16 (0.77–1.74) 1.00 (0.81–1.22) 1.09 (0.92–1.28) 1.14 (0.88–1.49)
27–72 0.82 (0.61–1.09) 0.68 (0.51–0.91) 1.03 (0.67–1.58) 1.02 (0.81–1.29) 0.95 (0.79–1.15) 1.31 (0.98–1.75)
<27 0.88 (0.66–1.17) 0.84 (0.61–1.15) 1.35 (0.90–2.02) 1.27 (0.99–1.63) 1.12 (0.91–1.38) 1.47 (1.10–1.96)
  1. Multivariable random effects logistic regression of the association between hospital caseload and treatment outcome stratified by country of birth and ethnicity, 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