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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