approached significanceP < .05
Comparing differences between both techniques, ΔCV 3mo of the 3, 5, and 7 mm diameter regions (P = .001 respectively) and ΔCV 12mo of the 5 and 7 mm diameter zones (P < .05) approached significance, as well as ΔCT 3mo and ΔCT 12mo for the central and 2, 4, and 6 mm diameter areas (P < .05).