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Table 2 Factors associated with increased time from symptom onset to hospital arrival: univariate analysis

From: Stroke awareness decreases prehospital delay after acute ischemic stroke in korea

Variables N (%) Prehospital delay P
Clinical    
   NIHSS, score    < 0.001
0-3 261 (52) 595 (242-1452)  
4-6 136 (27) 573 (244-1357)  
≥ 7 103 (21) 170 (55-508)  
   Pre-morbid disability (mRS > 2)    0.798
Yes 18 (4) 463 (126-1196)  
No 482 (96) 471 (170-1308)  
Risk factors    
   Previous stroke    0.088
Yes 116 (23) 316 (110-1241)  
No 384 (77) 502 (210-1338)  
   Hypertension    0.632
Yes 316 (63) 540 (165-1305)  
No 184 (37) 405 (170-1317)  
   Diabetes    0.049
Yes 134 (27) 568 (234-1460)  
No 366 (73) 449 (148-1253)  
   Hyperlipidemia    0.039
Yes 72 (14) 753 (236-1391)  
No 428 (76) 432 (152-1297)  
   Current smoker    0.637
Yes 150 (30) 466 (196-1227)  
No 350 (70) 504 (150-1344)  
   Atrial fibrillation    0.002
Yes 44 (9) 215 (59-948)  
No 456 (91) 521 (194-1328)  
   Coronary heart disease    0.067
Yes 38 (8) 277 (69-1012)  
No 462 (92) 504 (180-1314)  
   Family history of stroke    0.171
Yes 147 (29) 762 (327-1409)  
No 353 (71) 682 (230-1353)  
General    
   Location of study hospital    0.096
Seoul 324 (65) 558 (165-1365)  
Metropolitan area 176 (35) 397 (170-1126)  
   Education    0.572
Low (0-6 years) 169 (34) 444 (170-1294)  
Medium (6-12 years) 215 (43) 551 (210-1308)  
High (≥ 12 years) 116 (23) 379 (122-1307)  
   Living alone    0.322
Yes 435 (87) 506 (283-1348)  
No 65 (13) 462 (150-1309)  
   Visit hospital regularly    0.503
Yes 338 (68) 504 (152-1248)  
No 162 (32) 466 (183-1350)  
   Presence of bystander at time of symptom onset    0.742
Yes 145 (29) 502 (170-1358)  
No 355 (71) 470 (170-1252)  
   Arrival through referral    < 0.001
Yes 169 (34) 847 (355-1575)  
No 331 (66) 347 (106-1015)  
   Mode of transport    < 0.001
Ambulance 182 (36) 301 (79-758)  
Personal vehicle 205 (41) 608 (242-1373)  
Public transportation 113 (23) 858 (290-1620)  
   Knowledge by patient of thrombolysis    0.132
Yes 92 (18) 349 (113-1121)  
No 408 (82) 502 (208-1328)  
   Awareness of the patient/bystander that the initial symptom was stroke related    < 0.001
Yes 179 (36) 260 (100-708)  
No 321 (64) 650 (290-1458)  
  1. Values are median (25th-75th percentile) and are given in minutes.
  2. *Mann-Whitney U test or Kruskal-Wallis test was used.