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. 2018 Nov 19;13:117. doi: 10.1186/s13019-018-0803-9

Fig. 6.

Fig. 6

Intimal hyperplasia thickness correlated with distance of the external stent from the lumen. grey circle 1 year (correlation coefficient 0.76, p < 0.001), green circle 4.5 years (correlation coefficient 0.84, p < 0.001). Baseline saphenous vein wall thickness (−--) is derived from relevant literature [30, 31]