Table 2 Clinical characteristics of hemorrhagic and ischemic stroke patients in the training set
Variables | Total (n = 276) | Hemorrhagic stroke (n = 88) | Ischemic stroke (n = 188) | t/z/χ2 | P value |
|---|---|---|---|---|---|
Demographic characteristics | |||||
 Age, years (mean ± SD) | 70.69 ± 14.74 | 63.70 ± 16.98 | 73.96 ± 12.31 | -5.685 |  < 0.001 |
 Male, n (%) | 163(59.10) | 52(59.10) | 111(59.00) | 0.000 | 0.994 |
 BMI, kg/m2 (mean ± SD) | 20.90 ± 3.49 | 21.25 ± 3.30 | 20.74 ± 3.57 | 1.133 | 0.258 |
Prehospital clinical data | |||||
 SBP, mmHg, IQR | 134.00(118.00, 151.50) | 143.50(120.00, 160.00) | 130.00(116.25, 146.00) | -2.751 | 0.006 |
 DBP, mmHg, IQR | 80.00(70.00, 86.00) | 80.00(70.00, 90.00) | 80.00(68.00, 85.00) | -1.447 | 0.148 |
 Heart rate, bpm, IQR | 84.50(71.25, 100.00) | 82.50(70.25, 102.75) | 85.00(72.00, 98.75) | -0.083 | 0.934 |
Past medical history | |||||
 Hypertension, n ( %) | 77(27.90) | 35(39.80) | 42(22.30) | 9.056 | 0.003 |
Diabetes mellitus, n (%) | 56(20.30) | 14(15.90) | 42(22.30) | 1.533 | 0.216 |
 Atrial fibrillation, n (%) | 61(22.10) | 18(20.50) | 43(22.90) | 0.204 | 0.652 |
 Coronary heart disease, n (%) | 69(25.00) | 19(21.60) | 50(26.60) | 0.801 | 0.371 |
 Chronic renal failure, n (%) | 45(16.30) | 14(15.90) | 31(16.50) | 0.015 | 0.903 |
Prehospital clinical symptoms | |||||
 Headache, n (%) | 100(36.20) | 40(45.50) | 60(31.90) | 4.756 | 0.029 |
 Dizzy, n (%) | 122(44.20) | 42(47.70) | 80(42.60) | 0.651 | 0.420 |
 Vomiting, n (%) | 100(36.20) | 42(47.70) | 58(30.90) | 7.389 | 0.007 |
FAST score | |||||
 Facial droop, n (%) | 118(42.80) | 44(50.00) | 74(39.40) | 2.772 | 0.096 |
 Arm weakness, n (%) | 122(44.20) | 50(56.80) | 72(38.30) | 8.336 | 0.004 |
 Slurred speech, n (%) | 114(41.30) | 48(54.50) | 66(35.10) | 9.343 | 0.002 |
Duration of symptom, min, IQR | 35.00(25.00, 50.00) | 30.00(25.00, 50.00) | 35.00(25.00, 50.00) | -0.772 | 0.440 |