Table 1 Description of study sample

All (%)

2092 (100)

1054 (50)

1038 (50)

254 (12)

1838 (88)

0 (0)

Age

Median (Q25–Q75)

73 (60–83)

74 (62–84)

72 (58–82)

76 (67–85)

73 (58–83)

0 (0)

Acute myocardial infarction (%)

254 (12)

94 (9)

160 (15)

254 (100)

0 (0)

0 (0)

NRS > 3 n (%)

1234 (65)

620 (65)

614 (65)

160 (72)

1074 (64)

196 (9)

Nausea (%)

540 (30)

305 (33)

235 (26)

63 (31)

477 (29)

270 (13)

Oxygen saturation < 90% (%)

60 (3)

28 (3)

32 (3)

13 (5)

47 (3)

4 (0.2)

Priority by emergency dispatch centre

0 (0)

Priority 1

1452 (69)

717 (68)

735 (71)

199 (78)

1253 (68)

Priority 2

628 (30)

328 (31)

300 (29)

53 (21)

575 (31)

Priority 3

12 (1)

9 (1)

(3 (< 1)

2 (1)

10 (1)

Priority 4

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

Priority by EMS-personnel

Priority 1

242 (12)

81 (8)

161 (16)

98 (39)

144 (8)

0 (0)

Priority 2

1606 (77)

824 (78)

782 (75)

142 (56)

1464 (80)

Priority 3

238 (11)

145 (14)

93 (9)

14 (6)

224 (12)

Priority 4

6 (< 1)

4 (< 1)

2 (< 1)

0 (0)

6 (< 1)

Median EMS time with patient (min) (Q1–Q3)

50 (44–65)

52 (34–68)

50 (35–63)

52 (48–68)

50 (33–65)

27 (1)