Table 3 Distribution of clinical characteristics according to arrival time
From: Stroke awareness decreases prehospital delay after acute ischemic stroke in korea
Characteristics | Early arrival (≤ 3 hours) (n = 132) | Late arrival (> 3 hours) (n = 368) | P |
|---|---|---|---|
Age, years | 68 (57-73)†| 66 (57-74)†| 1.000* |
Gender, male (%) | 80 (61) | 228 (62) | 0.784 |
NIHSS, score | 5 (2-10)†| 3 (1-5)†| < 0.001* |
Pre-morbid disability (mRS >2) (%) | 7 (5) | 11 (3) | 0.232 |
Risk factors | Â | Â | Â |
   Previous stroke (%) | 43 (33) | 73 (20) | 0.003 |
   Hypertension (%) | 85 (64) | 231 (63) | 0.740 |
   Diabetes (%) | 27 (21) | 107 (29) | 0.055 |
   Hyperlipidemia (%) | 13 (10) | 59 (16) | 0.083 |
   Current smoker (%) | 35 (27) | 115 (31) | 0.308 |
   Atrial fibrillation (%) | 21 (16) | 23 (6) | 0.001 |
   Coronary heart disease (%) | 15 (11) | 23 (6) | 0.057 |
   Family history of stroke (%) | 35 (27) | 112 (30) | 0.396 |
Study hospital located in Seoul (%) | 84 (64) | 240 (65) | 0.744 |
Highly educated (≥12 years) (%) | 36 (27) | 80 (22) | 0.196 |
Living alone (%) | 11 (8) | 55 (15) | 0.054 |
Visit hospital regularly (%) | 91 (69) | 247 (67) | 0.702 |
Presence of bystander at time of symptom onset (%) | 92 (70) | 263 (72) | 0.701 |
Arrival through referral (%) | 15 (11) | 154 (42) | < 0.001 |
Arrival by Ambulance (%) | 71 (54) | 111 (30) | < 0.001 |
Knowledge by patient of thrombolysis (%) | 34 (26) | 58 (16) | 0.011 |
Awareness of the patient/bystander that the initial symptom was stroke related (%) | 75 (57) | 104 (28) | < 0.001 |