Table 4.
Stroke-associated prognostic factors of transient ischemic attack (TIA) in China, 2013.
| Factors | TIA no. | TIA no. with stroke | % | Weighteda (%) | OR | 95% CI | P-value |
|---|---|---|---|---|---|---|---|
| Age group | |||||||
| 25–34 | 6 | 1 | 16.7 | 0.9 | 0.047 | 0.001–1.700 | 0.094 |
| 35–44 | 30 | 3 | 10.0 | 14.2 | 0.693 | 0.056–8.526 | 0.773 |
| 45–54 | 137 | 28 | 20.4 | 21.5 | 0.945 | 0.132–6.761 | 0.955 |
| 55–64 | 266 | 77 | 28.9 | 22.5 | 0.964 | 0.144–6.463 | 0.970 |
| 65–74 | 265 | 92 | 34.7 | 29.5 | 1.164 | 0.170–7.962 | 0.877 |
| 75–84 | 115 | 38 | 33.0 | 26.7 | 0.783 | 0.101–6.089 | 0.814 |
| ≥85 | 10 | 2 | 20.0 | 20.3 | Reference | Reference | |
| Sex | |||||||
| Men | 393 | 134 | 34.1 | 31.8 | 2.469 | 1.172–5.201 | 0.018 |
| Women | 436 | 107 | 24.5 | 18.3 | Reference | Reference | |
| Duration of TIA | |||||||
| ≥1 h | 128 | 33 | 25.8 | 22.3 | 0.959 | 0.491–1.875 | 0.903 |
| 10 min to 1 h | 259 | 86 | 33.2 | 26.9 | 1.388 | 0.742–2.598 | 0.304 |
| ≤10 min | 402 | 107 | 26.6 | 22.5 | Reference | Reference | |
| Ethnicity | |||||||
| Han ethnicity | 705 | 223 | 31.6 | 26.7 | 3.053 | 0.876–10.636 | 0.079 |
| Other | 124 | 18 | 14.5 | 8.6 | Reference | Reference | |
| Education | |||||||
| Middle school | 314 | 109 | 34.7 | 30.8 | 1.291 | 0.741–2.250 | 0.366 |
| College and higher | 28 | 13 | 46.4 | 21.0 | 1.098 | 0.388–3.107 | 0.859 |
| Primary school | 487 | 119 | 24.4 | 20.7 | Reference | Reference | |
| Marriage status | |||||||
| Married | 679 | 204 | 30.0 | 23.2 | 0.459 | 0.207–1.018 | 0.055 |
| Single/windowed | 150 | 37 | 24.7 | 31.5 | Reference | Reference | |
| Occupation | |||||||
| Worker/employee/entrepreneurs | 75 | 18 | 24.0 | 24.3 | 1.115 | 0.488–2.548 | 0.795 |
| Farmer | 469 | 106 | 22.6 | 20.2 | 0.723 | 0.417–1.252 | 0.246 |
| Retiree or homemaker | 285 | 117 | 41.1 | 33.0 | Reference | Reference | |
| Disease history | |||||||
| Hypertension | |||||||
| Yes | 562 | 195 | 34.7 | 29.4 | 2.671 | 1.547–4.613 | 0.000 |
| No | 267 | 46 | 17.2 | 12.0 | Reference | Reference | |
| Diabetes mellitus | |||||||
| Yes | 121 | 46 | 38.0 | 30.9 | 1.024 | 0.508–2.066 | 0.947 |
| No | 613 | 170 | 27.7 | 22.9 | Reference | Reference | |
| Dyslipidemia | |||||||
| Yes | 204 | 80 | 39.2 | 37.9 | 1.073 | 0.599–1.923 | 0.812 |
| No | 398 | 118 | 29.6 | 22.8 | Reference | Reference | |
| Atrial fibrillation | |||||||
| Yes | 35 | 7 | 20.0 | 17.4 | 0.454 | 0.142–1.455 | 0.183 |
| No | 647 | 201 | 31.1 | 24.7 | Reference | Reference | |
| Coronary heart disease | |||||||
| Yes | 148 | 60 | 40.5 | 35.2 | 1.461 | 0.799–2.672 | 0.217 |
| No | 531 | 146 | 27.5 | 22.7 | Reference | Reference | |
| Smoking | |||||||
| Regular smoking | 149 | 47 | 31.5 | 30.0 | 0.899 | 0.358–2.254 | 0.819 |
| Occasional smoking | 97 | 20 | 20.6 | 15.2 | 0.692 | 0.257–1.864 | 0.465 |
| Quit smoking | 102 | 45 | 44.1 | 40.7 | 0.861 | 0.336–2.203 | 0.754 |
| Never smoked | 481 | 129 | 26.8 | 22.2 | Reference | Reference | |
| Drinking | |||||||
| Regular drinking | 71 | 17 | 23.9 | 30.2 | 0.986 | 0.360–2.699 | 0.978 |
| Occasional drinking | 172 | 33 | 19.2 | 14.1 | 0.487 | 0.192–1.235 | 0.129 |
| Quit drinking | 99 | 44 | 44.4 | 46.7 | 1.843 | 0.809–4.201 | 0.145 |
| Never drank | 487 | 147 | 30.2 | 23.7 | Reference | Reference | |
aComplex sample weights were used to obtain nationally representative estimates.