Skip to main content

Table 1 Baseline characteristics for three emergency populations*

From: Systolic blood pressure and short-term mortality in the emergency department and prehospital setting: a hospital-based cohort study

 

Emergency dep.

Ambulance

MECU

P value

All patients, n

112,727

15,862

12,270

 

Male, n (%)

59,523 (53)

7,778 (49)

7,028 (57)

<0.001

Essential hypertension, n (%)

26,592 (24)

7,057 (46)

5,292 (43)

<0.001

Charlson Comorbidity Index, n (%)

   

<0.001

0

83,068 (74)

8,204 (52)

6,595 (54)

 

1 - 2

22,379 (20)

4,949 (31)

3,655 (30)

 

>2

7,280 (7)

2,709 (17)

2,020 (17)

 

Age, median [25th-75th percentile]

49 [30-69]

64 [44-78]

60 [42-74]

<0.001

Systolic blood pressure, mean ± s.d.

148 ± 28

145 ± 28

141 ± 31

<0.001

Diastolic blood pressure, mean ± s.d.

85 ± 16

84 ± 18

84 ± 20

<0.001

Heart rate, mean ± s.d.

84 ± 19

87 ± 20

92 ± 25

<0.001

7-day mortality, n (%)

2,065 (1.8)

356 (2.2)

703 (5.7)

<0.001

30-day mortality, n (%)

3,503 (3.1)

789 (5.0)

1,063 (8.7)

<0.001

  1. *Values expressed as total number (fraction), medians [25th percentile to 75th percentile], or mean ± standard deviation (s.d.), as appropriate. Chi-squared test for categorical variables and Kruskal-Wallis test for continuous variables. MECU, mobile emergency care unit.