Table 7 Symptoms after randomisation prior to hospital admission

  Chest (15/73)^a

78

84

0.03

  Arm (s) (21/91)

24

31

0.02

  Back (25/106)

14

19

0.06

  Neck/jaw (22/110)

16

19

0.25

  Stomach (20/110)

8

8

0.91

  Chest (33/133)

60

67

0.03

  Arm(s) (40/141)

16

22

0.05

  Back (38/144)

7

15

0.0008

  Neck/jaw (34/154)

9

14

0.02

  Stomach (34/146)

7

7

1.00

  Pain score mean ± SD

4.0 ± 2.2

4.2 ± 2.0

0.24

  (28/146) median (25^th, 75^th percentile)

4 (3,5.5)

4 (3,5.5)

  Pain score < 4 (%) (28/146)

24

20

0.16

  Pain score = 0 (%) (28/146)

11

5

0.0002

  Decrease in pain score^b (%) (29/152)

85

80

0.05

  Pain score mean ± SD

2.6 ± 2.1

3.0 ± 2.1

0.001

  (29/167) median (25^th, 75^th percentile)

2.5 (0.75,4)

3 (1.25,4.45)

  Pain score < 4 (%) (29/167)

53

47

0.05

  Pain score = 0 (%) (29/167)

23

14

0.0001

  Decrease in pain score^b (%) (30/173)

93

92

0.63

  Pale, cold sweat (10/77)

31

29

0.59

  Nausea, vomiting (17/95)

14

15

0.60

  Anxiety (21/100)

38

34

0.19

  Dyspnea (19/98)

19

18

0.69

  Pale, cold sweat (29/124)

18

20

0.58

  Nausea, vomiting (32/141)

10

11

0.92

  Anxiety (42/155)

19

19

1.00

  Dyspnea (36/150)

9

11

0.34

 15 min after randomisation (50/252)

0.06*

  Awake

93

90

 Dozy, confused

6

9

  Very dozy, confused

1

1

  Unconscious

0

<1

 On admission to hospital (51/253)

0.31*

  Awake

92

90

  Dozy, confused

8

8

  Very dozy, confused

<1

2

  Unconscious

0

<1

 15 min after randomisation (49/245)

1

<1

0.71

 On admission to hospital (52/250)

<1

<1

1.00

 15 min after randomisation (49/249)

<1

<1

0.48

 On admission to hospital (52/252)

<1

<1

1.00