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Table 3 30-day mortality, reduced work ability, and time on social transfer payments for patients admitted to a stroke unit

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

 

Number of persons under observation in each group (GEMS/HEMS)

GEMS, n (%)

HEMS, n (%)

Unadjusted OR (95% CI)

P value

Adjusteda, b, cOR (95% CI)

P value

30-day mortality ( n=1068)

916/152

68 (7.4)

12 (7.9)

1.07 (0.56–2.03)

0.84

1.02 (0.53–1.96)a

0.96

 Patients diagnosed with stroke (n = 702)

587/115

58 (9.9)

12 (10.4)

1.06 (0.55–2.05)

0.86

0.78 (0.37–1.65)b

0.51

 Patients who underwent thrombolysis (n = 388)

330/58

19 (5.8)

3 (5.2)

0.89 (0.26–3.12)

0.86

0.59 (0.12–2.84)c

0.51

 Directly referred patients who underwent thrombolysis (n = 332)

277/55

15 (5.4)

3 (5.5)

1.01 (0.28–3.61)

0.99

0.64 (0.13–3.19)c

0.53

Reduced work ability 2 years after admission to the stroke unit

 Patients diagnosed with stroke (n = 101)

89/12

36 (40.5)

5 (41.7)

1.05 (0.31–3.57)

0.94

0.96 (0.25–3.71)b

0.95

 Directly referred patients who underwent thrombolysis (n = 44)

37/7

17 (46.0)

1 (14.3)

0.20 (0.02–1.79)

0.15

0.16 (0.01–3.38)c

0.24

Over 50% of time on social transfer payments during the 2 years following admission to the stroke unit

 Patients diagnosed with stroke (n = 101)

89/12

40 (44.9)

6 (50.0)

1.23 (0.37–4.09)

0.74

1.13 (0.30–4.31)b

0.85

 Directly referred patients who underwent thrombolysis (n = 44)

37/7

18 (48.7)

2 (28.6)

0.42 (0.07–2.46)

0.34

0.36 (0.03–4.77)b

0.44

  1. GEMS ground emergency medical services, HEMS helicopter emergency medical services, CI confidence interval, OR odds ratio, NIHSS National Institute of Health Stroke Scale. Co-morbidity was defined as having at least one of the following conditions: diabetes, atrial fibrillation, hypertension, previous myocardial infarction, previous stroke
  2. aAdjusted for sex (male/female) and age (quadratic)
  3. bAdjusted for sex (male/female), age (quadratic), and co-morbidity (yes/no
  4. cAdjusted for sex (male/female), age (quadratic), co-morbidity (yes/no), and NIHSS (continuous)