Injury estimates based computerized hospital discharge data compared to expert review of medical records from 32 study hospitals*
| Mechanism of injury† | Estimated counts based upon computerized hospital discharge data | Estimated counts based upon expert review of medical records | Incidence ratio (95% CI) |
|---|---|---|---|
| *Representing 80% of Washington's injury related hospitalizations for calendar year 1996. | |||
| †Mechanism and intent categories based upon McLoughlin et al.9 | |||
| Total all categories | 29 693 | 29 378 | 1.01 (1.00 to 1.02) |
| Falls | 12 835 | 12 593 | 1.02 (0.99 to 1.05) |
| Motor vehicle traffic | 4 129 | 3 745 | 1.10 (1.03 to 1.18) |
| Poison | 2 949 | 2 808 | 1.05 (1.01 to 1.09) |
| Struck | 1 152 | 1 231 | 0.94 (0.75 to 1.12) |
| Cut | 992 | 928 | 1.07 (0.90 to 1.24) |
| Overexertion | 736 | 704 | 1.05 (0.72 to 1.37) |
| Transport | 576 | 736 | 0.78 (0.52 to 1.03) |
| Machinery | 384 | 480 | 0.80 (0.60 to 1.00) |
| Firearm | 370 | 379 | 0.98 (0.82 to 1.14) |
| Other and unspecified | 1 984 | 1 639 | 1.21 (0.94 to 1.48) |
| Late effects of injury | 2 305 | 2 767 | 0.83 (0.72 to 0.94) |
| Intent of injury | |||
| Unintentional | 25 735 | 25 258 | 1.02 (1.00 to 1.03) |
| Suicide | 2 532 | 2 386 | 1.06 (0.99 to 1.13) |
| Assault | 1 202 | 1 307 | 0.92 (0.80 to 1.04) |
| Other and undetermined | 223 | 426 | 0.52 (0.15 to 0.90) |