Derivation and internal validation of the screening to enhance prehospital identification of sepsis (SEPSIS) score in adults on arrival at the emergency department

Table 3 Selection of variables for inclusion in multivariable models

Predictor variable	Incidence of variable selection			Wald test p-value
Predictor variable	GCS (sum) model	GCS (components) model	AVPU model	GCS (sum) model	GCS (components) model	AVPU model
Location	50	50	50	0.002	0.004	0.003
Age	50	50	50	< 0.001	< 0.001	< 0.001
Gender	0	0	0	–	–	–
Resps	50	50	50	< 0.001	< 0.001	< 0.001
SpO2	50	50	50	< 0.001	< 0.001	< 0.001
Pulse	50	50	50	< 0.001	< 0.001	< 0.001
SBP	50	50	50	< 0.001	< 0.001	< 0.001
DBP	0	0	0	–	–	–
Temp	50	50	50	< 0.001	< 0.001	< 0.01
BM	1	1	0	0.86^*	0.85^*	0.87^*
Skin	50	50	50	0.007	0.007	0.014
CBRT	0	0	0	–	–	–
RPupilReact	11	12	8	0.42^*	0.41^*	0.46^*
RPupilSize	0	0	0	–	–	–
GCS_sum	50	NA	NA	< 0.001	NA	NA
GCS_eye	NA	0	NA	NA	–	NA
GCS_verbal	NA	50	NA	NA	< 0.001	NA
GCS_motor	NA	0	NA	NA	–	NA
AVPU	NA	NA	50	NA	NA	< 0.001

SpO2 peripheral oxygen saturation, SBP systolic blood pressure, DBP diastolic blood pressure, Temp temperature (C), BM blood sugar mmol/L, CBRT capillary bed refill time, GCS Glasgow coma score, AVPU alert, verbal, pain or unresponsive
^*Did not reach statistical significance

ISSN: 1757-7241