Table 3 Subgroup analysis of the pDDIs among elderly patients in Ethiopia
Variable | Subgroup | Number of studies | Prevalence/% (95% CI) | I2% | p value |
|---|---|---|---|---|---|
Region | Amhara | 3 | 37.85 (18.31, 57.38) | 98.2 | 0.000 |
Addis Ababa | 2 | 88.83 (85.32, 93.09) | 34.9 | 0.215 | |
Other | 2 | 32.37 (− 25.84, 90.58) | 99.5 | 0.000 | |
Study design | Retrospective cross- sectional | 3 | 67.11 (25.21, 109.01) | 99.7 | 0.000 |
Prospective observational | 2 | 44.35 (17.42, 71.28) | 98.4 | 0.000 | |
Cross-sectional | 2 | 32.37 (− 25.84, 90.58) | 99.5 | 0.000 | |
Database | Medscape online | 3 | 58.32 (26.82, 89.83) | 99.2 | 0.000 |
Micromedex | 2 | 43.39 (6.84, 79.94) | 98.5 | 0.000 | |
Other | 2 | 46.44 (− 39.11, 131.99) | 100 | 0.000 | |
Pathology | CVDs | 2 | 88.83 (85.32, 92.34) | 34.9 | 0.215 |
All conditions | 5 | 35.59 (12.34, 58.84) | 99.4 | 0.000 | |
Setting | Outpatients | 3 | 39.26 (− 18.30, 96.83) | 99.9 | 0.000 |
Inpatients | 3 | 50.17 (29.46, 70.87) | 97.6 | 0.000 | |
Both | 1 | 86.31 (81.11, 91.51) | – | – |