Table 4.
Cause of death
| Cardiovascular | |
| Cardiac | |
| Myocardial infarction | 4 |
| Heart failure | 5 |
| Cerebrovascular | |
| Stroke | 3 |
| Cerebral hemorrhage | 2 |
| Sudden death | 17 |
| Cancer | 32 |
| Pneumonia | 10 |
| Interstitial pneumonia | 3 |
| Renal failure | 2 |
| Infections | 3 |
| Gastrointestinal bleeding | 2 |
| Senile | 2 |
| Unknown | 5 |
| Others | 8 |
| Total | 98 |