Outcome prediction for patients assessed by the medical emergency team: a retrospective cohort study

Table 1 Multivariable analysis of predictors of 30-day mortality for patients where MET was activated while hospitalised in 2010–2015 at Sahlgrenska University Hospital, using multiple imputations

MULTIVARIABLE ANALYSIS USING MULTIPLE IMPUTATIONS
	OR (95% CI)	p	beta-coefficient
AGE	1.044 (1.036,1.052)^a	< 0.0001	0.0432^a
TYPE OF WARD
Surgical ward	0.45 (0.36,0.56)	< 0.0001	-0.8001
VITAL PARAMETERS
SpO2	1.62 (1.42,1.86)^b	< 0.0001	0.4851^b
RR	1.031 (1.019,1.044)^c	< 0.0001	0.0305^c
RLS	1.81 (1.52,2.16)^d	< 0.0001	0.5936^d
BIOMARKERS
Ln(pO2)	0.67 (0.51,0.88)^e	0.004	-0.4037^e
Haemoglobin < 90 g/l	1.53 (1.16,2.03)	0.003	0.4263
Glucose < 4.2 mmol/l	2.89 (1.32,6.33)	0.008	1.0622
Sqrt(Lactate)	1.78 (1.46,2.17)^f	< 0.0001	0.5789^f
PREVIOUS MEDICAL HISTORY
Liver disease	1.70 (1.22,2.39)	0.002	0.5344
Haematological disease	1.81 (1.25,2.63)	0.002	0.5947
Cancer	1.76 (1.42,2.18)	< 0.0001	0.5637
ACUTE MEDICAL CONDITION
Renal failure	1.82 (1.29,2.56)	0.0006	0.5988

755 (29.0%) endpoints of 2,601 patients
OR Odds ratio, CI Confidence interval, SpO2 Peripheral capillary oxygen saturation, RR Respiratory rate, RLS Reaction level scale
^a year
^b < 90% vs 90–95% vs > 95%
^c breath/min
^d > 3 vs 2–3 vs 1
^e kPa, transformed by the natural logarithm
^f mmol/l, square root transformed