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Table 1 Patient characteristics. All patients admitted to the stroke unit

From: The impact of a physician-staffed helicopter on outcome in patients admitted to a stroke unit: a prospective observational study

  GEMS (n = 916) HEMS (n = 152) Total (n = 1068) Missing P value
Sex, n (%) 0 0.60
 Female 386 (42.1) 68 (44.7) 454 (42.5)   
 Male 530 (57.9) 84 (55.3) 614 (57.5)   
Age, median (IQR) 67.9 (56.3–77.7) 69.8 (61.5–76.8) 68.2 (56.7–77.6) 0 0.22
Age, n (%) 0 0.04
  < 18 years 6 (0.7) 0 (0.0) 6 (0.6)   
 18–60 years 304 (33.2) 36 (23.7) 340 (31.8)   
  ≥ 61 years 606 (66.2) 116 (76.3) 722 (67.6)   
Inter-hospital transfer, n (%) 0 0.001
 No 759 (82.9) 141 (92.8) 900 (84.3)   
 Yes 157 (17.1) 11 (7.2) 168 (15.7)   
Diagnosed with stroke, n (%) 0 0.006
 No 329 (35.9) 37 (24.3) 366 (34.3)   
 Yes 587 (64.1) 115 (75.7) 702 (65.7)   
Thrombolysis, n (%) 0 0.65
 No 586 (64.0) 94 (61.8) 680 (63.7)   
 Yes 330 (36.0) 58 (38.2) 388 (36.3)   
Full-time work, n (%) 0 0.47
 No 578 (63.1) 101 (66.5) 679 (63.6)   
 Yes 338 (36.9) 51 (33.5) 389 (36.4)   
Reduced work ability, n (%) 0 0.50
 Full work ability 371 (40.5) 56 (36.8) 427 (40.0)   
 Reduced work ability 45 (4.9) 7 (4.6) 52 (4.9)   
 Involuntary early retirement 72 (7.9) 9 (5.9) 81 (7.6)   
 Retirement 378 (41.3) 74 (48.7) 452 (42.3)   
Voluntary early retirement 50 (5.5) 6 (4.0) 56 (5.2)   
Time from contact to triaging neurologist until arrival at the stroke centre (min), median (IQR) 50 (40–65) 60 (51–71) 52 (40–67) 235 <0.0001
Distance (km), median (IQR) 63 (46–73) 97 (71–134) 64 (47–80) 177 <0.0001
  1. GEMS ground emergency medical services, HEMS helicopter emergency medical services, IQR interquartile range