Table 1.
Characteristics of Study in the Endpoint.
| Dextromethorphan | Total | With | Without | P | |||
|---|---|---|---|---|---|---|---|
| Variables | n | % | n | % | n | % | |
| Total | 199 475 | 39 895 | 20.00 | 159 580 | 80.00 | ||
| Dementia | 34 326 | 17.21 | 4541 | 11.38 | 29 785 | 18.66 | <.001 |
| Gender | .999 | ||||||
| Male | 100 605 | 50.43 | 20 121 | 50.43 | 80 484 | 50.43 | |
| Female | 98 870 | 49.57 | 19 774 | 49.57 | 79 096 | 49.57 | |
| Age (years) | 54.82 ± 25.70 | 55.28 ± 26.45 | 54.70 ± 25.51 | <.001 | |||
| Insured premium (NT$) | .094 | ||||||
| <18 000 | 111 348 | 55.82 | 22 451 | 56.28 | 88 897 | 55.71 | |
| 18 000-34 999 | 55 417 | 27.78 | 11 012 | 27.60 | 44 405 | 27.83 | |
| ≥35 000 | 32 710 | 16.40 | 6432 | 16.12 | 26 278 | 16.47 | |
| Catastrophic illness | 14 775 | 7.41 | 2671 | 6.70 | 12 104 | 7.58 | <.001 |
| Diabetes mellitus | 19 895 | 9.97 | 3884 | 9.74 | 16 011 | 10.03 | .076 |
| Hypertension | 44 254 | 22.19 | 9112 | 22.84 | 35 142 | 22.02 | <.001 |
| Depression | 5145 | 2.58 | 1097 | 2.75 | 4048 | 2.54 | .016 |
| Insomnia | 8667 | 4.34 | 1845 | 4.62 | 6822 | 4.27 | .002 |
| Stroke | 10 816 | 5.42 | 2111 | 5.29 | 8705 | 5.45 | .197 |
| Chronic kidney disease | 21 379 | 10.72 | 4344 | 10.89 | 17 035 | 10.67 | .217 |
| Hyperlipidaemia | 5683 | 2.85 | 1184 | 2.97 | 4499 | 2.82 | .111 |
| Epilepsy | 1804 | .90 | 429 | 1.08 | 1375 | .86 | <.001 |
| Autoimmune disease | 16 646 | 8.34 | 3245 | 8.13 | 13 401 | 8.40 | .088 |
| Ischemic heart disease | 15 279 | 7.66 | 2675 | 6.71 | 12 604 | 7.90 | <.001 |
| Chronic obstructive pulmonary disease | 15 774 | 7.91 | 2973 | 7.45 | 12 801 | 8.02 | <.001 |
| Pneumonia | 26 425 | 13.25 | 5671 | 14.21 | 20 754 | 13.01 | <.001 |
| Head injury | 33 160 | 16.62 | 6881 | 17.25 | 26 279 | 16.47 | <.001 |
| Asthma | 22 200 | 11.13 | 4213 | 10.56 | 17 987 | 11.27 | <.001 |
| Alcohol abuse/dependence | 1656 | .83 | 381 | .96 | 1275 | .80 | .002 |
| Tobacco abuse/dependence | 1539 | .77 | 291 | .73 | 1248 | .78 | .282 |
| Chronic liver disease | 20 165 | 10.11 | 4041 | 10.13 | 16 124 | 10.10 | <.001 |
| Parkinson’s disease | 4151 | 2.08 | 900 | 2.26 | 3251 | 2.04 | .006 |
| Urbanization level | <.001 | ||||||
| 1 (The highest) | 56 147 | 27.75 | 12 121 | 30.38 | 44 026 | 27.10 | |
| 2 | 68 507 | 33.86 | 13 986 | 35.06 | 54 521 | 33.57 | |
| 3 | 25 893 | 12.80 | 5111 | 12.81 | 20 782 | 12.79 | |
| 4 (The lowest) | 51 778 | 25.59 | 8677 | 21.75 | 43 101 | 26.54 | |
| Level of care | <.001 | ||||||
| Hospital center | 60 690 | 30.42 | 14 562 | 36.50 | 46 128 | 28.91 | |
| Regional hospital | 80 873 | 40.54 | 15 756 | 39.49 | 65 117 | 40.81 | |
| Local hospital | 57 912 | 29.03 | 9577 | 24.01 | 48 335 | 30.29 | |
P: Chi-square/Fisher exact test on category variables and t-test on continue variables.