Table 4 Vital signs recorded upon arrival at scene and arrival at hospital

 SpO2, %

87 (77–94)

92 (85–97)

<0.01

(N = 159)

(N = 723)

 Respiratory rate, breaths/min

32 (28–38)

28 (24–32)

<0.01

(N = 163)

(N = 692)

 Systolic blood pressure^a, mmHg

157 (± 34)

155 (± 33)

0.51

(N = 159)

(N = 704)

 Diastolic blood pressure^a, mmHg

92 (± 24)

93 (± 24)

0.93

(N = 145)

(N = 704)

 SpO2, %

96 (94–99)

96 (91–98)

0.02

(N = 168)

(N = 715)

 Respiratory rate, breaths/min

25 (21–30)

24 (21–30)

0.67

(N = 163)

(N = 550)

 Systolic blood pressure^a, mmHg

140 (± 25)

142 (± 30)

0.25

(N = 156)

(N = 679)

 Diastolic blood pressure^a, mmHg

85 (± 19)

86 (± 24)

0.59

(N = 145)

(N = 676)