Table 3.
Association between glycated hemoglobin A1c concentrations and the prevalence of TB
| Study | Type of study | Populations | TB | Non-TB | P | ||||
|---|---|---|---|---|---|---|---|---|---|
| Exposure | n | Mean ± SD/Median [IQR] | Exposure | n | Mean ± SD/Median [IQR] | ||||
| Chan 2019 | A cross–sectional study | DM (n = 4209) | HbA1c (%) | 8 | Mean ± SD: 9.1 ± 2.2 | HbA1c (%) | 4201 | Mean ± SD: 7.7 ± 1.9 | Not shown |
| Khalil 2016 | Case-control study | DM (n = 80) | HbA1c (%) | 80 | Mean ± SD: 9.88 ± 2.03 | HbA1c (%) | 80 | Mean ± SD: 7.89 ± 1.58 | < 0.01 |
| Kumpatla 2013 | A cross–sectional study | DM (n = 6967) | HbA1c (%) | 47 | Mean ± SD: 9.2 ± 2.1 | HbA1c (%) | 6920 | Mean ± SD: 8.5 ± 2.1 | 0.03 |
| Leal 2019 | Case-control study | DM (n = 135) | HbA1c (%) | 22 | Mean ± SD: 9.43 ± 2.06 | HbA1c (%) | 85 | Mean ± SD: 7.86 ± 1.83 | 0.002 |
| Sanchez-Jimenez 2018 | A cross–sectional study | DM (n = 50) | HbA1c (%) | 25 | Mean ± SD: 7.8 ± 1.9 | HbA1c (%) | 25 | Mean ± SD: 8.8 ± 2.4 | Not shown |
| Webb 2009 | A cross–sectional study | DM (n = 258) | HbA1c (%) | 25 | Mean ± SD: 13.3 ± 2.4 | HbA1c (%) | 233 | Mean ± SD: 10.6 ± 2.4 | 0.001 |
| Widjaja 2018 | Case-control study | DM (n = 80) | HbA1c (%) | 40 | Mean ± SD: 8.78 ± 2.85 | HbA1c (%) | 40 | Mean ± SD: 7.82 ± 1.75 | 0.19 |
| Hensel 2016 | A cross–sectional study | Non-DM (n = 406), Pre-DM (n = 235), DM (n = 54) | HbA1c (%) | 221 | Median [IQR]: 5.7 [5.4–6.0] | HbA1c (%) | 473 | Median [IQR]: 5.5 [5.3–5.8] | < 0.01 |
| Martinez-Aguilar 2015 | A cross–sectional study | DM (n = 600) | HbA1c (%) | 308 | Median [IQR]: 7.5 [6.5–8.5] | HbA1c (%) | 292 | Median [IQR]:7.6 [6.8–8.7] | 0.21 |
| Marupuru 2017 | Case–control study | DM (n = 451) | HbA1c (%) | 152 | Median [IQR]: 9.3 [7.5–11.6] | HbA1c (%) | 299 | Median [IQR]: 7.9 [6.8–10.7] | Not shown |
Abbreviation: DM: Diabetes mellitus, HbA1c: glycated hemoglobin A1c, IQR: interquartile range, SD: standard deviation, TB: Tuberculosis