Table 1. Comparison of overall cohort and younger decedents (19-45 years).

Parameter	Overall cohort (n=93)	Young subgroup (19-45 years) (n=21)
Age, years (median, IQR)	58 (49-67)	33 (26-41)
Male sex, n (%)	64 (68.8%)	15 (71.4%)
Hypertension, n (%)	40 (43.0%)	5 (23.8%)
Atherosclerosis, n (%)	22 (23.7%)	2 (9.5%)
Diabetes mellitus, n (%)	18 (19.3%)	3 (14.3%)
≥3 SCVP medial degeneration criteria*, n (%)	34 (43.6%)	9 (42.9%)
Rupture only, n (%)	52 (55.9%)	11 (52.4%)
Dissection with rupture, n (%)	28 (30.1%)	7 (33.3%)
Dissection without rupture, n (%)	13 (14.0%)	3 (14.3%)
Cocaine/cannabis detected, n (%)	2 (2.2%)	2 (9.5%)

*: SCVP criteria assessed in histologically evaluable cases (n=78); phenotype distribution between age groups: c² p=0.93; IQR: Interquartile range; SCVP: Society for Cardiovascular Pathology.