Table 4:

Surgical Interventions in MHD Subgroups

Entire Cohort (N=649)	Intervention Rate
Anxiety Or Depression (n=60)	26 (43.4%)
Schizophrenia or Bipolar (n=8)	4 (50%)
Dementia (n=12)	6 (50%)
More than 1 MHD (n=9)	6 (66.6%)
Substance Abuse (n=57)	35 (61.4%)
Antidepressant/Antipsychotic Medication (N=186)	120 (64.5%)
Type A Dissection (N=334)	Intervention Rate
Anxiety or Depression (n=32)	15 (46.8%)
Schizophrenia or Bipolar (n=l)	1 (100%)
Dementia (n=6)	3 (50%)
More than 1 MHD (n=2)	2 (100%)
Substance Abuse (n=28)	21 (75%)
Antidepressant/Antipsychotic Medication (n=93)	69 (71.1%)
Type B Dissection (N=315)	Intervention Rate
Anxiety or Depression (n=28)	11 (39.2%)
Schizophrenia or Bipolar (n=7)	3 (42.5%)
Dementia (n=6)	3 (50%)
Substance Abuse (n=29)	14 (48.2%)
Antidepressant/Antipsychotic Medication (n=93)	51 (54.8%)