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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Am J Cardiol. 2016 Aug 13;118(9):1399–1404. doi: 10.1016/j.amjcard.2016.07.051

Table 5.

Linear regression for 24-month change in femoral vein parameters versus 24-month change in maximum walking time

Independent Variable β SE R2 Adjusted r2 P-value
FV Δ24 month total vessel volume (mm3) Δ24 month max. walking time −3.75 1.61 0.206 0.168 0.03
FV Δ24 month wall volume (mm3) Δ24 month max. walking time −1.29 0.76 0.121 0.079 0.10
FV Δ24 month lumen volume (mm3) Δ24 month max. walking time −2.46 1.07 0.201 0.163 0.032

Linear regression was obtained using pairwise correlation. Δ24 month max. walking time is the 24-month change in claudication free walking time. For FV Δ24 month total vessel volume, FV Δ24 month wall volume, and FV Δ24 month lumen volume to Δ24 month max. walking time: N=23. FV: femoral vein.