Skip to main content

Table 2 Characteristics of studies included in the meta-analysis assessing the association between diabetes mellitus and multi-drug-resistant tuberculosis 

From: Association between diabetes mellitus and multi-drug-resistant tuberculosis: evidence from a systematic review and meta-analysis

Author

County

Design

Sample size (TB-DM)

Data collection procedure

DM diagnosis

Diagnosis of TB

Diagnosis of MDR-TB

TB type

DM type

OR (95% CI)††

Adjustment to confounders

Baghaei P et al. [25]

Iran

CC

282 (24)

Record review

Not specified

Not specified

Not specified

All

Type not mentioned

0.68 (0.19–2.36)

No

Bashar M et al. [18]

USA

CC

155 (50)

Record review

Not specified

Not specified

Not specified

All

T1 and T2

5.30 (1.90–14.70)

Homelessness and HIV status

Carreira S et al. [34]

Portugal

RC

246 (123)

Record review

FBS/previous history of DM and receiving insulin or oral hypoglycemic agents

Not specified

Not specified

All

Type not mentioned

1.49 (0.24–9.06)

No

Chang JT [14]

Taiwan

PC

192 (60)

Record review/clinical/laboratory

FBS

Clinical/chest radiographs/sputum culture (LJ media)

DST (proportional methods)

New

T2

6.66 (0.68–65.38)

No

Fisher-Hoch SP et al. [50]

USA

CS

1442 (401)

Not mentioned

Self-report

Sputum Culture

DST

All

T2

2.14 (1.10–4.17)

Age, gender, alcohol and drug abuse, HIV infection, history of previous TB infection

Fisher-Hoch SP et al. [50]

Mexico

CS

1436 (287)

Not mentioned

Self-report

AFB/culture

DST

All

T2

1.80 (1.13–2.87)

Age and gender

Gomez-Gomez A et al. [23]

Mexico

CC

175 (56)

Record review

FBS/HbA1c

Culture/PCR for mycobacterium TB complex

DST (proportion method)

All

T1 and T2

2.51 (1.11–5.67)

Age, sex, smoking history, chronic alcohol abuse, malnutrition, other illness conditions

Hafez S et al. [32]

Egypt

PC

40 (12)

Face-to-face interview/clinical/laboratory

FBS

AFB/culture (LJ)

DST (proportional method)

All

T1 and T2

2.96 (0.73–11.93)

No

Hsu A et al. [48]*

Taiwan

CS

139 (41)

Record review/laboratory

FBS

Culture

DST (proportional method)

Previously treated

T1 and T2

1.52 (0.59–3.95)

Age, sex

Hsu A et al. [48]

Taiwan

CS

869 (204)

Record review/lab

FBS

Culture

DST (proportional method)

New

T1 and T2

0.95 (0.34–2.68)

Age, sex

Jitmuang A et al. [54]

Thailand

CC

188 (31)

Record review

Not specified

Culture (LJ)

DST (proportional method)

All

Type not mentioned

1.28 (0.54–3.02)

No

Magee MJ et al. [31]*

Peru

PC

823 (143)

Record review/lab/interview

FBS/RBS/HbA1c/medication with Insulin or Oral hypoglycemic agents

AFB

DST (Griess method)

New

T1 and T2

0.45 (0.26–0.78)

No

Magee MJ et al. [53]

Georgia

PC

263 (37)

Face-to-face interview/clinical/lab

HbA1c¥

AFB/culture (LJ)/X-ray

DST (absolute concentration method)

New

Type not mentioned

2.27 (1.02–5.08)

Age, sex, HIV status and smoking

Magee MJ et al. [31]

Peru

PC

848 (43)

Record review/interview/lab

FBS/RBS/HbA1c/medication with Insulin or Oral hypoglycemic agents

AFB

DST (Griess method)

Previously treated

T1 and T2

1.10 (0.56–2.19)

No

Mi F et al. [49]*

China

CS

422 (144)

Record review

FBS

AFB/culture (LJ-media)

DST (proportional method)

New

T2

1.3 (0.6–2.8)

No

Mi F et al. [49]

China

CS

199 (43)

Record review

FBS

AFB/culture (LJ-media)

DST (proportional method)

Previously treated

T2

0.5 (0.2–1.1)

No

Min J et al. [52]

Korea, Rep.

CC

195 (55)

Record review

Record review

AFB/Chest radiographs/Culture

DST (LJ-media)

All

T1 and T2

2.68 (1.05–6.86)

Age and smoking

Perez-Navarro LM et al. [19]

Mexico

CC

409 (146)

Record review

FBS

AFB

NA

All

T2

3.50 (1.10–11.10)

Age

Perez-Navarro LM et al. [30]

Mexico

PC

507 (183)

Record review/self-report /lab

FBS

AFB

DST (BACTEC, MGIT)

New

T2

3.50 (1.60–7.10)

Age, sex, smoking, overcrowding

Saktiawati AMI et al. [35]

Indonesia

RC

356 (23)

Record review

FBS

AFB/positive chest X-ray/clinical

GeneXpert (MTB/RIF)/DST

All

T2

  

Rifat M et al. [20]

Bangladesh

CC

1000 (83)

Face-to-face interview and record review

Not specified

AFB/X-ray

PCR (Xpert MTB/RIF)/culture/DST/Line probe assay

All

T2

2.56 (1.51–4.34)

Age, education, occupation and smoking status

Salindri A et al. [33]

Georgia

PC

268 (36)

Interview/lab

HbA1c

Molecular diagnostic test/AFB/culture (LJ)/clinical

DST (absolute concentration method)

New

Type not mentioned

2.51 (1.00–6.31)

Age, sex, education, income, smoking status, alcohol use, HIV status, kidney disease

Suarez-Garcia I et al. [21]

Spain

CC

696 (41)

Record review

Not specified

Culture

DST (agar proportion method)

All

Type not mentioned

1.84 (0.53–6.33)

No

Tanrikulu A et al. [28]

Turkey

CC

112 (9)

Record review

Not specified

Culture

DST (indirect proportion method)

All

Type not mentioned

4.65 (1.01–21.51)

No

Zhang Q et al. [51]

China

CS

2141 (203)

Record review

FBS

AFB/sputum culture

DST (proportional method)

All

T1 and T2

2.11 (1.42–3.11)

No

  1. T1 type I DM, T2 type II, DM diabetes mellitus, FBS fasting blood sugar, MDR-TB multi-drug resistant tuberculosis, TB tuberculosis, OR odds ratio, CI confidence interval, DST drug susceptibility testing, NA not available, FNAC fine needle aspiration cytology, PCR polymerase chain reaction, AFB acid-fast bacilli, PC prospective cohort, RC retrospective cohort, CC case control, CS cross sectional, LJ Lowenstein Jensen, HIV human immunodeficiency virus, TB-DM refers to the number of TB patients co-morbid with DM in the sample
  2. *These studies reported separate effect sizes for newly diagnosed and previously treated tuberculosis patients
  3. This study reported separate effect sizes by country (USA and Mexico)
  4. ††All effect sizes were presented as odd ratio