Research Article
Increased Mortality of Respiratory Diseases, Including Lung Cancer, in the Area with Large Amount of Ashfall from Mount Sakurajima Volcano
Table 1
SMR of respiratory diseases during the period 1968–2002.
| | Sakurajima + Tarumizu | Kanoya | | (high ashfall area) | (low ashfall area) | | O* | E* | SMR | 95% CI | O* | E* | SMR | 95% CI |
| Lung cancer (ICD 9th: 162) | Males | 353 | 219.4 | 1.61 | 1.44–1.78 | 544 | 628.4 | 0.87 | 0.79–0.94 | Females | 138 | 82.4 | 1.67 | 1.39–1.95 | 165 | 222.0 | 0.74 | 0.63–0.86 |
| COPDs (ICD 9th: 490–496) | Males | 252 | 140.3 | 1.80 | 1.68–1.91 | 267 | 375.6 | 0.71 | 0.63–0.80 | Females | 134 | 72.5 | 1.85 | 1.53–2.16 | 132 | 201.6 | 0.65 | 0.54–0.77 |
| Acute respiratory diseases (ICD 9th: 460–466, 480–487) | Males | 389 | 331.1 | 1.17 | 1.06–1.29 | 845 | 945.8 | 0.89 | 0.83–0.95 | Females | 339 | 320.9 | 1.06 | 0.95–1.17 | 721 | 854.6 | 0.84 | 0.78–0.91 |
|
|
*Observed and expected numbers of death.
|