Table 3.
Top five disease clusters in each study
| Disease combinations/clusters | Total studies reported (n=5) | Study citation | ||
| Disease 1 | Disease 2 | Disease 3 | ||
| Hypertension | Diabetes | 4 | 34 38 39 41 | |
| Hypertension | HIV | 3 | 34 38 41 | |
| TB | HIV | 3 | 34 38 41 | |
| Hypertension | TB | 2 | 34 41 | |
| Diabetes | HIV | 2 | 38 41 | |
| TB | Diabetes | 1 | 34 | |
| Hypertension | Osteoarthritis | 1 | 39 | |
| Asthma | Hypertension | 1 | 39 | |
| Hypertension | COPD | 1 | 39 | |
| Hypertension | IHD | 1 | 39 | |
| Hypertension | Dyslipidaemia | 1 | 37 | |
| Hypertension | Anaemia | 1 | 37 | |
| Hypertension | Dyslipidaemia | Anaemia | 1 | 37 |
| Anaemia | HIV | 1 | 37 | |
| Hypertension | Anaemia | HIV | 1 | 37 |
COPD, chronic obstructive pulmonary disease; IHD, ischaemic heart disease; TB, tuberculosis.