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Table 1 Characteristics of included studies for the association between DM and TB outcomes

From: The impact of diabetes on tuberculosis treatment outcomes: A systematic review

       Outcomes  
Study Type of study Country Type of TB Total
n
Population with DM
n
Sputum
Culture
Conversion
2-3 months
Failure
And Death
Death Adjusted Variables for Death Outcome Relapse DR
Recurrence
DM Definition
Alisjahbana [11] Prospective cohort Indonesia Pulmonary TB 634 94     2 measurements of FBG > 126 mg/dL
Ambrosetti [28] Prospective cohort Italy Undifferentiated TB 778 32      Medical records
Ambrosetti [29] Prospective cohort Italy Undifferentiated TB 838 50      Medical records
Ambrosetti [30] Prospective cohort Italy Undifferentiated TB 715 40      Medical records
Anunnatsiri [31] Retrospective cohort Thailand Pulmonary TB 226 117       Medical records
Banu Rekha [32] Retrospective analysis of 3 concurrent studies India Pulmonary TB 190 92       Medical records, FBG
Bashar [33] Retrospective case-control USA Undifferentiated TB 155 50       Medical records
Blanco [34] Retrospective cohort Canary Islands, Spain Pulmonary TB 98 14       Medical records
Centis [35] Prospective cohort Italy Undifferentiated TB 1,162 56      Medical records
Centis [36] Prospective cohort Italy Undifferentiated TB 906 40      Medical records
Chiang [37] Retrospective cohort Taiwan Pulmonary TB 1,127 241      Medical records
Dooley [12] Retrospective cohort USA Undifferentiated TB 297 42   Age, HIV, weight, foreign birth    Medical records,
non-FBG > 200 mg/dL,
DM medications
Fielder [38] Retrospective cohort USA Pulmonary TB 174 22    Age    Medical records
Fisher-Hoch [39] Retrospective cohort Mexico & USA Undifferentiated TB 2,878 688      Self report
Guler [40] Retrospective cohort Turkey Pulmonary TB 306 44       Medical records
Hara [41] Retrospective cohort Japan Pulmonary TB 624 112       Medical records
Hasibi [42] Retrospective cohort Iran Disseminated TB 50 6       Medical records
Ito [43] Retrospective cohort Japan Undifferentiated TB 109 16       Medical records
Kitahara [44] Retrospective cohort Japan Pulmonary TB 520 71      Medical records
Kourbatova [45] Retrospective case-control Russia Undifferentiated TB 460 20       Medical records
Maalej [46] Retrospective case-control Tunisia Pulmonary TB 142 60      Medical records
Mboussa [47] Retrospective cohort Republic of the Congo Pulmonary TB 132 32     2 measurements of FBG ≥ 126 mg/dL
Oursler [48] Retrospective cohort USA Pulmonary TB 139 18    Age, HIV,
renal, COPD
   Medical records
Pina [49] Retrospective cohort Spain Undifferentiated TB 1,511 73       Medical records
Ponce-De-Leon [3] Prospective cohort Mexico Pulmonary TB 581 172      Medical records (FBG ≥ 126 mg/dL, non-FBG ≥ 200 mg/dL sensitivity analysis)
Singla [50] Retrospective cohort Saudi Arabia Pulmonary TB 692 187     2 measurements of FBG > 140 mg/dL
Subhash [51] Retrospective cohort India Undifferentiated TB 361 72       FBG > 140 mg/dL, medical records and DM medication or diet
Tatar [52] Retrospective cohort Turkey Undifferentiated TB 156 78      Medical records
Vasankari [53] Retrospective cohort Finland Pulmonary TB 629 92       Treatment with DM medications
Wada [54] Retrospective cohort Japan Pulmonary TB 726 143      Medical records
Wang [55] Retrospective cohort Taiwan Pulmonary TB 453 75       Medical records
Wang [56] Retrospective cohort Taiwan Pulmonary TB 217 74   Age, sex    Medical records and DM medication or FBG > 126 mg/dL
Zhang [57] Retrospective Cohort China Pulmonary TB 2,141 203       FBG ≥ 126 mg/dL