TABLE 1.
Patient data and IHA resultsa
| Characteristic | Tsunami (−)
|
Tsunami (+), January 2005 | Historical data (1995) | |
|---|---|---|---|---|
| January 2005 | April 2005 | |||
| No. of patients | 1,039 | 948 | 52 | 424 |
| % Female | 63.1 | 64.1 | 51.9 | 55.0 |
| Age range (yr) | <1-94 | <1-105 | 15-80 | 5-94 |
| Median (IQR) age (yr) | 56 (44-67) | 54 (39-67) | 39.5 (30-56) | |
| IHA titer range | 0-1:2,560 | 0-1:10,240 | 0-1:2,560 | ≤1:20-1:160 |
| Median (IQR) IHA titer | 1:10 (0-1:40) | 1:10 (0-1:40) | 1:20 (0-1:80) | 1:20 (1:20-1:1:40) |
| No. (%) of samples: | ||||
| IHA negative | 430 (41.4) | 401 (42.3) | 19 (36.5) | |
| With IHA titer ≥1:10 | 609 (58.6) | 547 (57.7) | 33 (63.5) | |
| With IHA titer ≥1:160 | 76 (7.3) | 98 (10.3) | 7 (13.5) | 10 (2.4) |
a
Symbols and abbreviations: (+), individuals known to have been directly involved in the tsunami; (−), individuals not documented at Takuapa Hospital as having been physically injured during the tsunami; IQR, interquartile range.