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Comorbidities in the three investigated groups.
| Comorbidity | RIMN | UIMN | DHS |
|---|---|---|---|
| Cardiovascular disease | 6 | 7 | 6 |
| Stroke | 4 | 3 | 2 |
| Respiratory disease | 6 | 8 | 5 |
| Renal disease | 8 | 6 | 5 |
| Diabetes mellitus | 4 | 5 | 3 |
| Rheumatoid disease | 2 | 1 | 2 |
| Parkinson’s disease | 1 | 2 | 1 |
| Severe mental deterioration in old age | 8 | 8 | 5 |
| Paget’s disease | 1 | 1 | 0 |
| Current smokers | 5 | 4 | 2 |
| No. of comorbidities | |||
| 1 | 5 (16.67%) | 4 (15.33%) | 4 (15.38%) |
| 2 | 10 (33.33%) | 11 (30.67%) | 8 (30.76%) |
| ≥3 | 15 (50%) | 15 (50%) | 14 (53.86%) |
