Table 1.
Characteristics of study in the end of follow-up.
| Brain Injury | Total | With | Without | p | |||
|---|---|---|---|---|---|---|---|
| Variables | n | % | n | % | n | % | |
| Total | 1367,502 | 455,834 | 33.33 | 911,668 | 66.67 | ||
| Events | <0.001 | ||||||
| Without | 1366,227 | 99.91 | 455,347 | 99.89 | 910,880 | 99.91 | |
| With | 1275 | 0.09 | 487 | 0.11 | 788 | 0.09 | |
| Subgroup of events | <0.001 | ||||||
| Without | 1366,227 | 99.91 | 455,347 | 99.89 | 910,880 | 99.91 | |
| Acquired stenosis of external ear canal |
355 | 0.03 | 166 | 0.04 | 189 | 0.02 | |
| Cholesteatoma of middle ear and mastoid |
883 | 0.06 | 304 | 0.07 | 579 | 0.06 | |
| Both | 37 | 0.00 | 17 | 0.00 | 20 | 0.00 | |
| Gender | 0.999 | ||||||
| Male | 811,257 | 59.32 | 270,419 | 59.32 | 540,838 | 59.32 | |
| Female | 556,245 | 40.68 | 185,415 | 40.68 | 370,830 | 40.68 | |
| Age (years) (mean ± SD) |
44.41 ± 24.61 | 42.90 ± 22.18 | 45.17 ± 25.71 | 0.007 | |||
| Low-income | <0.001 | ||||||
| Without | 1344,640 | 98.33 | 447,731 | 98.22 | 896,909 | 98.38 | |
| With | 22,862 | 1.67 | 8103 | 1.78 | 14,759 | 1.62 | |
| Catastrophic illness | <0.001 | ||||||
| Without | 1193,522 | 87.45 | 414,727 | 91.52 | 778,795 | 85.43 | |
| With | 171,280 | 12.55 | 38,407 | 8.48 | 132,873 | 14.57 | |
| CCI (mean ± SD) | 0.84 ± 2.25 | 0.42 ± 1.43 | 1.05 ± 2.53 | <0.001 | |||
| Cause of injury | <0.001 | ||||||
| Traffic injuries | 282,937 | 61.50 | 233,142 | 66.73 | 49,795 | 44.99 | |
| Poisoning | 1833 | 0.40 | 401 | 0.11 | 1432 | 1.29 | |
| Falls | 95,781 | 20.82 | 74,447 | 21.31 | 21,334 | 19.27 | |
| Burns and fires | 519 | 0.11 | 40 | 0.01 | 479 | 0.43 | |
| Drowning | 122 | 0.03 | 24 | 0.01 | 98 | 0.09 | |
| Suffocation | 636 | 0.14 | 24 | 0.01 | 612 | 0.55 | |
| Crushing/Cutting/Piercing | 27,002 | 5.87 | 13,773 | 3.94 | 13,229 | 11.95 | |
| Other unintentional injuries | 22,822 | 4.96 | 5963 | 1.71 | 16,859 | 15.23 | |
| Suicide | 2055 | 0.45 | 248 | 0.07 | 1807 | 1.63 | |
| Homicide/Abuse | 25,162 | 5.47 | 20,872 | 5.97 | 4290 | 3.88 | |
| Intention unknown | 1174 | 0.26 | 422 | 0.12 | 752 | 0.68 | |
| Intentionality of injury | <0.001 | ||||||
| Unintentional injury | 382,674 | 93.89 | 295,298 | 93.64 | 87,376 | 94.76 | |
| Intentional injury | 0.00 | 6.11 | 20,050 | 6.36 | 4835 | 5.24 | |
| Urbanization level | <0.001 | ||||||
| High | 414,921 | 30.34 | 114,667 | 25.16 | 300,254 | 32.93 | |
| Middle | 585,726 | 42.83 | 189,281 | 41.52 | 396,445 | 43.49 | |
| Low | 366,855 | 26.83 | 151,886 | 33.32 | 214,969 | 23.58 | |
| Level of care | <0.001 | ||||||
| Hospital center | 419,434 | 30.67 | 111,842 | 24.54 | 307,592 | 33.74 | |
| Regional hospital | 555,404 | 40.61 | 201,180 | 44.13 | 354,224 | 38.85 | |
| Local hospital | 392,664 | 28.71 | 142,812 | 31.33 | 249,852 | 27.41 | |
| Surgery | <0.001 | ||||||
| Without | 854,414 | 62.48 | 313,931 | 68.87 | 540,483 | 59.29 | |
| With | 513,088 | 37.52 | 141,903 | 31.13 | 371,185 | 40.71 | |
| Length of days (mean ± SD) | 7.32 ± 9.60 | 7.54 ± 10.13 | 6.89 ± 8.41 | <0.001 | |||
| Medical costs (NT$) (mean ± SD) | 46,252.58 ± 84,924.68 | 48,896.69 ± 90,655.82 | 40,964.37 ± 71,818.28 | <0.001 | |||
| Prognosis | <0.001 | ||||||
| Survive | 1281,971 | 93.75 | 440,530 | 96.64 | 841,441 | 92.30 | |
| Mortality | 85,531 | 6.25 | 15,304 | 3.36 | 70,227 | 7.70 | |