Table 4.

Binomial logistic regression predictors of 30-day and 6-month mortality rate

Term	Odds ratio of being alive at 30 days (95% c.i.)	Alive at 30 days (P)	Odds ratio of being alive at 6 months (95% c.i.)	Alive at 6 months (P)
Time from symptom onset to hospital presentation (h)	1.01 (0.99,1.02)	0.551	0.99 (0.98,1.01)	0.450
Time from hospital presentation to imaging diagnosis (h)	1.03 (0.98,1.08)	0.214	1.0054 (0.99,1.02)	0.555
Time from imaging diagnosis to treatment (h)	0.98 (0.95,1.02)	0.408	0.99 (0.96,1.02)	0.518
Centre type	3.49 (0.17,72.08)	0.419	N/A	1.000
*Age at presentation	0.93 (0.89,0.97)	<0.001	0.93 (0.89,0.97)	<0.001
Sex	0.51 (0.19,1.36)	0.176	0.45 (0.17,1.23)	0.119
Ethnicity	1.19 (0.33,4.29)	0.787	0.87 (0.20,3.88)	0.858
Index of multiple deprivation decile	0.90 (0.77,1.05)	0.171	0.91 (0.79,1.06)	0.228
*Aortic pathology	1.65 (1.13,2.40)	0.009	1.75 (1.19,2.56)	0.004
Mode of presentation	0.68 (0.32,1.47)	0.329	0.75 (0.36,1.55)	0.436
*Complicated disease	0.19 (0.07,0.49)	<0.001	0.24 (0.09,0.62)	0.003
Treatment	1.15 (0.59,2.25)	0.685	1.10 (0.58,2.10)	0.775
History of previous aortic dissection	0.75 (0.04,13.83)	0.846	0.42 (0.02,7.22)	0.552
*Admission to critical care	3.06 (1.18,7.96)	0.022	3.21 (1.24,8.35)	0.017
COVID-19	1.50 (0.60,3.73)	0.381	1.18 (0.49,2.84)	0.705

Significant variables highlighted with *. N/A, not applicable.