Adjusting EWS scores for altitude above sea level: is it necessary to predict sepsis mortality in the emergency room?

Table 3 Sensitivity, specificity, and predictive values comparing prediction tools

SCORE	SPEC	SENS	NPV	PPV
NEWS	0.69	0.71	0.89	0.40
NEWSa	0.69	0.73	0.90	0.40
NEWSaL	0.75	0.75	0.91	0.46
NEWSL	0.74	0.74	0.91	0.44
IEWS	0.74	0.72	0.90	0.44
IEWSa	0.74	0.73	0.91	0.44
IEWSaL	0.78	0.77	0.92	0.50
IEWSL	0.76	0.75	0.91	0.47

SPEC specificity, SENS Sensitivity, NPV negative predictive value, PPV positive predictive value, NEWS the National Early Warning Score, NEWSa the National Early Warning Score adjusted for height above sea level, NEWSaL the National Early Warning Score adjusted for height above sea level plus the value of arterial lactate, NEWSL the National Early Warning Score plus the value of arterial lactate, IEWS the International Early Warning Score, IEWSa the International Early Warning Score adjusted for height above sea level, IEWSaL the International Early Warning Score adjusted for height above sea level plus the value of arterial lactate, IEWSL the International Early Warning Score plus the value of arterial lactate

ISSN: 1865-1380