Table 1.

Number and mortality of emergency medical admissions included/excluded

Characteristic	Development dataset	Validation dataset
	N (%)	N (%)
Total emergency medical admissions	37 100	36 751
Excluded: no NEWS recorded (%)	1305 (3.5)	772 (2.1)
Excluded: first NEWS after 24 hours of admission (%)	634 (1.7)	172 (0.5)
Excluded: first blood test results after 4 days of admission (%)	464 (1.3)	673 (1.8)
Excluded: no or incomplete blood test results recorded (%)	3701 (10.0)	8887 (24.2)
Total excluded (%)	6104 (16.5)	10 504 (28.6)
Total included (%)	30 996 (83.5)	26 247 (71.4)

NEWS, National Early Warning Score(s).