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Table 3 Cut-off MLD and the incidence of LF and NF

From: Predictors and prevention of flow insufficiency due to limited flow demand

Graft Target Location of stenosis n LF NF Cut-off MLD (mm) MLD (mm) n LF NF
in-situ ITA LAD Proximal 137 15 (11%) 4 (3%) 1.28 1.29~ 35 7 (20%) 2 (6%)
       0.0 ~ 1.28 102 8 (8%) 2 (2%)
        p-value*   0.047 0.26
   Distal 100 18 (18%) 5 (5%) 0.77 0.78~ 42 13 (31%) 4 (10%)
       0.0 ~ 0.77 58 5 (9%) 1 (2%)
   p-value (vs. proximal) 0.12 0.41   p-value*   0.004 0.002
in-situ ITA LCX Proximal 48 8 (17%) 3 (6%) 1.25 1.26~ 19 7 (37%) 2 (11%)
       0.0 ~ 1.25 29 1 (3%) 1 (3%)
        p value*   0.002 0.32
   Distal 49 21 (43%) 3 (6%) 0.75 0.76~ 26 16 (62%) 3 (12%)
       0.0 ~ 0.75 23 5 (22%) 0
   p-value (vs. proximal) 0.009 0.98   p-value*   0.005 0.09
SVG LCX Proximal 24 1 (4%) 0 -     
   Distal 28 2 (7%) 3 (11%) -     
   p-value (vs. proximal) 0.65 0.10      
in-situ GEA RCA Proximal 95 23 (24%) 13 (14%) 0.82 0.83~ 22 8 (36%) 7 (32%)
       0.0 ~ 0.82 73 15 (21%) 6 (8%)
        p-value*   0.13 0.005
   Distal 14 10 (71%) 3 (21%) -     
   p-value (vs. proximal) 0.0003 0.44      
SVG RCA Proximal 37 6 (16%) 2 (5%) 1.29 1.30~ 11 4 (36%) 2 (18%)
       0.0 ~ 1.29 26 2 (8%) 0
        p-value*   0.03 0.02
   Distal 17 8 (47%) 3 (18%) -     
   p-value (vs. proximal) 0.02 0.15      
  1. FI: flow insufficiency, GEA: gastroepiploic artery, ITA: internal thoracic artery, LAD: left anterior descending artery, LCX: left circumflex artery, MLD: minimal luminal diameter, NF: not functional, RCA: right coronary artery, p-value*: larger vs. smaller than the cut-off value.