Main diseases diagnosed among participants
| Classification of main diseases | N | Per cent |
| Neoplasms | ||
| Total | 29 | 14.4 |
| Stomach | 6 | |
| Colon | 4 | |
| Lung | 6 | |
| Endocrine, nutritional and metabolic diseases | ||
| Total | 17 | 8.5 |
| Diabetes mellitus | 13 | |
| Mental and behavioural disorders | ||
| Total | 6 | 3.0 |
| Alzheimer disease | 5 | |
| Diseases of the nervous system | ||
| Total | 7 | 3.5 |
| Diseases of the circulatory system | ||
| Total | 28 | 13.9 |
| Heart failure | 11 | |
| Cerebral infarction | 10 | |
| Diseases of the respiratory system | ||
| Total | 45 | 22.4 |
| Pneumonia | 29 | |
| Asthma | 7 | |
| Emphysema | 2 | |
| Diseases of the digestive system | ||
| Total | 29 | 14.4 |
| Viral enteritis | 7 | |
| Cirrhosis of liver | 4 | |
| Diseases of the skin and subcutaneous tissue | ||
| Total | 9 | 4.5 |
| Cellulitis | 6 | |
| Diseases of the musculoskeletal system and connective tissue | ||
| Total | 19 | 9.5 |
| Fracture | 10 | |
| Diseases of the genitourinary system | ||
| Total | 7 | 3.5 |
| Urinary tract infection | 4 | |
| Others | 5 | 2.5 |
| Total | 201 | 100 |