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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Stroke. 2015 Jan 22;46(3):757–761. doi: 10.1161/STROKEAHA.114.007634

Table 3.

Two-year restenosis rates after CEA with patch versus no patch

Patch
# events
(rate ±
SEM)		 No Patch
# events
(rate ±
SEM)		 Hazard Ratio for
Patch vs No
Patch (95% CI)* 		P-value Hazard Ration
(95% CI)† 		P-
value
Restenosis 20 (3.1±0.7) 32 (10.7±1.8) 0.27 (0.15,0.48) <0.0001 0.35 (0.16,0.74) 0.006
*

adjusted for symptomatic status

†

adjusted for symptomatic status and surgeon board specialty

46 patients (13 no patch; 33 patch) are not included in the restenosis endpoint as they did not have ultrasounds read by the ultrasound core laboratory. 4 patients with restenosis information (2 patch; 2 no patch) did not have information on board specialty.