Table 1. Comparative Observation of the Epidemiological Aspects of Legionnaire’ Disease in Korea and Japan, 2010 - 2014.
| Item | Korea |
Japan |
||
|---|---|---|---|---|
| Cases (%) | 95% CI | Cases (%) | 95% CI | |
| Nationwide | ||||
| Total cases | 134 | 4,840 | ||
| CIR/100,000 | 0.05 | 0.04 - 0.06 | 0.76** | 0.75 - 0.76 |
| Fatal-cases | 4 | 286 | ||
| Case-fatality rate (%) | 3.0 | 0.1 - 5.9 | 5.9 | 5.2 - 6.6 |
| Gender | ||||
| Male | 90 (67.2) | 59.8 - 75.1 | 3,946 (81.5)** | 80.4 - 82.6 |
| Female | 44 (32.8)** | 24.9 - 40.7 | 894 (18.5) | 17.4 - 19.6 |
| P-value | < 0.01 | < 0.01 | ||
| MFMR (M/F) | 2.05 | 4.41** | ||
| Age | ||||
| < 19 | 4 (3.0) | 0.1 - 5.9 | 14 (0.3) | - |
| 20 - 39 | 11 (8.2)** | 3.6 - 12.8 | 89 (1.8) | 1.4 - 2.9 |
| 40 - 59 | 33 (24.6) | 17.3 - 31.9 | 1,074 (22.2) | 21.0 - 23.4 |
| > 60 | 86 (64.1) | 60.0 - 72.2 | 3,663 (75.5)** | 74.3 - 76.4 |
| P-value | < 0.01 | < 0.01 | ||
| Season | ||||
| Spring | 23 (17.2) | 10.8 - 17.2 | 802 (16.5) | 15.5 - 17.6 |
| Summer | 50 (37.3) | 29.1 - 45.5 | 1,632 (33.7) | 32.1 - 35.3 |
| Autumn | 36 (26.9) | 19.4 - 34.4 | 1,445 (29.9) | 28.6 - 31.2 |
| Winter | 25 (18.7) | 12.1 - 25.3 | 961 (19.9) | 18.2 - 21.0 |
| P-value | < 0.01 | < 0.01 | ||
| Habitat | ||||
| Capital city | 26 (19.4)** | 12.7 - 26.4 | 375 (7.7) | 7.0 - 8.5 |
| County | 108 (80.6) | 73.9 - 87.3 | 4,465 (92.3)** | 91.5 - 93.1 |
| P-value | < 0.01 | < 0.01 | ||
CIR: cumulative incidence rate per 100,000 populations. 95% CI: confident interval of 95%. Case-fatality rate in %. Statistically significant levels set at *P < 0.05 and **P < 0.01.