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Table 1 General characteristics of the study population

From: Development and validation of a scoring system for mortality prediction and application of standardized W statistics to assess the performance of emergency departments

Year

2016

(N = 1,836,577)

2017

(N = 2,041,407)

Male

931,366 (50.7%)

1,034,833 (50.7%)

Age

54.0 [36.0–69.0]

55.0 [37.0–70.0]

Event

 Disease

1,451,945 (79.1%)

1,609,997 (78.9%)

 Other than disease

384,632 (20.9%)

431,410 (21.1%)

Consciousness

 Alert

1,737,235 (94.6%)

1,933,837 (94.7%)

 Responsive to verbal stimuli

54,659 (3.0%)

59,301 (2.9%)

 Responsive to pain

38,462 (2.1%)

41,912 (2.1%)

 Unresponsive

6221 (0.3%)

6357 (0.3%)

Vital signs

 Systolic BP (mmHg)

130.0 [115.0–147.0]

130.0 [116.0–150.0]

 Diastolic BP (mmHg)

80.0 [70.0–90.0]

80.0 [70.0–90.0]

 Heart rate (/min)

84.0 [74.0–98.0]

84.0 [74.0–98.0]

 Respiratory rate (/min)

20.0 [18.0–20.0]

20.0 [18.0–20.0]

 Body temperature (°C)

36.6 [36.4–37.0]

36.6 [36.4–37.0]

 Pulse oxygen saturation (%)

98.0 [97.0–99.0]

98.0 [97.0–99.0]

 Admission

603,621 (32.9%)

669,544 (32.8%)

 ED mortality

5236 (0.3%)

5276 (0.3%)

 Mortality after admission

38,568 (6.4%)

42,433 (6.3%)

 Overall mortality

43,804 (2.4%)

47,709 (2.3%)