. Author manuscript; available in PMC: 2022 Oct 22.

Published in final edited form as: Ann Vasc Surg. 2021 Aug 22;77:217–225. doi: 10.1016/j.avsg.2021.05.054

Tabic 3:

Treatments and Outcomes of Cohort

Outcome	Entire Cohort (N=649)	MHD (N=320)	No MHD (N=329)	p
Surgical Intervention	393 (60%)	189 (59%)	204 (62%)	0.446
Timing of Intervention
Acute (Within 2 Weeks)	339 (86%)	159 (85%)	180 (87%)	0.684
Delayed	54 (14%)	27 (15%)	27 (13%)	0.684
Outcome	All (N=649)	Type A Dissection	Type B Dissection	p
Surgical Intervention	393 (60%)	232 (69.4%)	161 (51.1%)	<0.001
Timing of Intervention
Acute (Within 2 Weeks)	339 (86%)	209 (90%)	130 (80%)	<0.001
Delayed	54 (14%)	23 (10%)	31 (20%)	<0.001
Outcome	Type A Dissection (N=334)	MHD (N=162)	No MHD (N=172)	p
Surgical Intervention	232 (69.4%)	110 (67.9%)	122 (70.9%)	0.548
Timing of Intervention
Acute (Within 2 Weeks)	209 (90%)	96 (59.5%)	113 (66%)	0.265
Delayed	23 (10%)	14 (8.8%)	9 (5.1%)	0.265
Outcome	Type B Dissection (N=315)	MHD (N=158)	No MHD (N=157)	p
Surgical Intervention	161 (51.1%)	79 (50.3%)	82 (51.8%)	0.779
Timing of Intervention
Acute (Within 2 Weeks)	130 (80%)	66 (42%)	64 (40.5%)	0.65
Delayed	31 (20%)	13 (8.2%)	18 (11.3%)	0.65