Skip to main content

Table 1 Characteristics of emergency medical admissions discharged during 3 months in development and validation datasets from YH and SH hospitals

From: Predictive accuracy of enhanced versions of the on-admission National Early Warning Score in estimating the risk of COVID-19 for unplanned admission to hospital: a retrospective development and validation study

Characteristic

Development dataset (YH)

Validation dataset (SH)

N

3924

2520

Male (%)

2010 (51.2)

1247 (49.5)

Mean Age [years] (SD)

67.4 (18.7)

69.6 (18.9)

Median Length of Stay (days) (IQR)

3.0 (5.8)

3.7 (6.1)

COVID-19 (%)

343 (8.7)

277 (11.0)

Mortality

 Mortality with-in 24 h (%)

30 (0.8)

32 (1.3)

 Mortality with-in 48 h (%)

61 (1.6)

48 (1.9)

 Mortality with-in 72 h (%)

96 (2.4)

68 (2.7)

 In-hospital Mortality

323 (8.2)

212 (8.4)

 Mean NEWS (SD)

2.5 (2.3)

2.8 (2.4)

 Mean NEWS2 (SD)

2.8 (2.8)

3.2 (2.8)

Vital Signs

 Mean Respiratory rate [breaths per minute] (SD)

19.8 (5.1)

20.7 (5.6)

 Mean Temperature [oC] (SD)

36.4 (0.9)

36.3 (1)

 Mean Systolic pressure [mmHg] (SD)

141.8 (29.2)

142 (28.5)

 Mean Diastolic pressure [mmHg] (SD)

79.2 (16.5)

79 (17.3)

 Mean Pulse rate [beats per minute] (SD)

89.1 (22.3)

88.5 (22.1)

 Mean Oxygen saturation (SD)

96.3 (3.1)

96.1 (3.2)

 Oxygen supplementation (%)

512 (13)

362 (14.4)

 Mean oxygen flow rate (units) (SD)

7.1 (5.7)

6.1 (5.3)

 Oxygen scale 2 (yes) (%)

240 (6.1)

163 (6.5)

Alertness

 Alert (%)

3510 (89.4)

2243 (89)

 Baseline confusion (%)

27 (0.7)

23 (0.9)

 New confusion (%)

61 (1.6)

40 (1.6)

 Pain (%)

32 (0.8)

17 (0.7)

 Voice (%)

151 (3.8)

134 (5.3)

 Unconscious (%)

143 (3.6)

63 (2.5)