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Table 2 Characteristics of eligible and non-eligible patients

From: An association between systolic blood pressure and stroke among patients with impaired consciousness in out-of-hospital emergency settings

 

Eligible

No eligible

P value

 

(N = 106,706)

(N = 21,972)

Men, n (%)

57,879 (54.2)

13,341 (60.7)

<0.001

Age, year, mean (SD)

63.1 (20.7)

62.3 (20.4)

<0.001

> = 75 years, n (%)

37,793 (35.4)

7167 (32.6)

<0.001

Consciousness, n (%)

  

<0.001

    Mild disturbance

75,437 (70.7)

12,573 (57.2)

 

    Moderate disturbance

16,979 (15.9)

2121 (9.7)

 

    Severe disturbance

14,290 (13.4)

7278 (33.1)

 

Home, n (%)

52,936 (49.6)

10,164 (46.3)

<0.001

SBP, mmHg, mean (SD)

139.5 (36.1)

 

DBP, mmHg, mean (SD)

77.8 (21.1)

 

HR, counts per a minute, mean (SD)

89.0 (22.3)

70.7 (39.9)

<0.001

SpO2, %, median (IQR)

96 (94–98)

95 (88–98)

<0.001

Call to arrival at the scene, minute, mean (SD)

6.3 (2.5)

6.1 (2.5)

<0.001

Call to contact with patients, minute, mean (SD)

7.5 (2.7)

7.2 (2.8)

<0.001

Call to hospital arrival, minute, mean (SD)

25.1 (8.6)

22.3 (8.7)

<0.001

  1. SBP denotes systolic blood pressure, DBP diastolic blood pressure, HR heart rate;
  2. SD standard deviation, IQR inter-quartile range.