Table 1:

Characteristics of emergency medical admissions in the development and validation data sets

Characteristic	No. (%) of admissions or mean ± SD
Characteristic	Development data set (YH) n = 35 807	Validation data set (NH) n = 35 161
Patient age, yr^*	67.8 ± 19.5	66.4 ± 19.5
Patient sex, male^*	16 936 (47.3)	17 498 (49.8)
Sepsis, outcome^*	1596 (4.5)	2983 (8.5)
In-hospital mortality^†	2080 (5.8)	1900 (5.4)
Index eNEWS^*	2.5 ± 2.6	2.1 ± 2.3
Alertness^*
Alert	34 769 (97.1)	34 503 (98.1)
Pain	243 (0.7)	126 (0.4)
Voice	607 (1.7)	435 (1.2)
Unconscious	188 (0.5)	97 (0.3)
Respiratory rate, breaths/min^*	18.6 ± 4.8	18.1 ± 3.6
Temperature, °C^*	36.3 ± 0.8	36.5 ± 0.7
Systolic pressure, mm Hg^*	136 ± 27.3	129.4 ± 23
Diastolic pressure, mm Hg^*	75.4 ± 15.5	74.9 ± 14.9
Pulse rate, beats/min^*	85.6 ± 21.1	81.2 ± 17.8
Oxygen supplementation^*	4053 (11.3)	6750 (19.2)
% Oxygen saturation^*	96.3 ± 2.9	95.9 ± 3.0

Note: eNEWS = electronic National Early Warning Score, NH = NLAG Hospitals, NLAG = Northern Lincolnshire and Goole NHS Foundation Trust, SD = standard deviation, YH = York Hospital.
↵* p < 0.001.
↵† p = 0.3.