Table 5.
Vessel | No. Cases | % of totalb | Attack ratea per 100,000 (95 % CIs) | |
---|---|---|---|---|
1 | 147 | 27.53 % | 62.69 | (53.34–73.67) |
2 | 33 | 6.18 % | 108.40 | (77.2–152.2) |
3 | 31 | 5.81 % | 149.10 | (105.1–211.6) |
4 | 23 | 4.31 % | 69.73 | (46.5–104.6) |
5 | 18 | 3.37 % | 84.78 | (53.6–134.0) |
6 | 17 | 3.18 % | 1011.30 | (632.4–1614.0) |
7 | 16 | 3.00 % | 52.48 | (32.3–85.24) |
8 | 14 | 2.62 % | 145.36 | (86.6–243.9) |
9 | 14 | 2.62 % | 99.60 | (59.3–167.1) |
10 | 14 | 2.62 % | 94.45 | (56.3–158.5) |
aAttack rate is based only on the times that the vessel had at least one case of communicable disease, does not include in the denominator passengers on the vessel when there were no cases
bPercentage of all communicable disease cases, 2009 to 2013