Increased time from physiological derangement to critical care admission associates with mortality

Table 2 Multivariable logistic and log-linear regression models. Odds ratios presented for logistic models and coefficients presented for log-linear models

Variable	OR	Lower CI (0.025)	Upper CI (0.975)	p
Multivariable logistic model for critical care mortality
Score to door time	1.02	1.0	1.04	0.01
Age	1.02	1.0	1.04	0.011
Dr Foster global frailty score	0.9	0.79	1.02	0.082
Charlson Deyo score	0.98	0.96	1.01	0.149
SOFA score	1.2	1.11	1.3	< 0.001
NIV or IMV	1.73	1.05	2.73	0.021
Time to triggering high NEWS	1.02	1.01	1.03	0.004
Constant	0.01	0.0	0.04	< 0.001
Multivariable logistic model for hospital mortality
Score to door time	1.02	1.0	1.04	0.026
Age	1.02	1.01	1.03	0.001
Triggering high NEWS value	1.11	0.98	1.24	0.061
Time to triggering high NEWS	1.02	1.01	1.03	0.003
SOFA score	1.17	1.09	1.24	< 0.001
NIV or IMV	1.69	1.13	2.46	0.007
Elective hospital admission	0.64	0.4	1.04	0.056
Constant	0.01	0.0	0.04	< 0.001

Variable	β	Lower CI (0.025)	Upper CI (0.975)	p
Multivariable log-linear model for critical care length of stay (survivors)
Score to door time	0.01	0.01	0.02	0.024
Age	0.0	− 0.01	0.01	0.467
Dr Foster global frailty score	0.01	− 0.03	0.06	0.761
Charlson–Deyo score	0.98	− 0.01	0.01	0.149
SOFA score	0.02	− 0.05	0.03	0.298
Sepsis status during admission	0.32	0.13	0.57	0.007
NIV or IMV	0.67	0.44	0.88	< 0.001
Constant	0.36	− 0.14	0.85	0.158
Multivariable log-linear model for score to door time
Age	0.00	− 0.002	0.006	0.342
Dr Foster global frailty score	0.00	− 0.03	0.03	0.902
Charlson–Deyo score	0.00	− 0.005	0.006	0.853
Triggering high NEWS value	− 0.08	− 0.11	− 0.04	< 0.001
Time to triggering high NEWS	0.00	− 0.002	0.006	0.250
Triggering high NEWS out of hours	0.02	− 0.09	0.14	0.698
Peri-arrest call prior to critical care admission	− 0.07	− 0.25	0.14	0.479
Constant	2.39	1.99	2.79	< 0.001

OR, odds ratio; β, coefficient of variable in linear regression; CI, confidence interval; NIV, non-invasive ventilation; IMV, invasive mechanical ventilation; NEWS, national early warning score; SOFA, sequential organ failure assessment