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Table 4 The comparison of TTFM parameters between in situ RIMA and free RIMA

From: Application of bilateral internal mammary artery with different configurations in coronary artery bypass grafting

TTFM In situ RIMA(n = 31) Free RIMA(n = 23) P
LIMA-MF 35.9 ± 24.7 27.4 ± 18.0 0.168
LIMA-PI 2.1 ± 1.0 3.0 ± 1.6 0.018
LIMA-DF 72.1 ± 6.2 74.5 ± 7.5 0.203
RIMA-MF 33.4 ± 24.1 28.9 ± 17.2 0.453
RIMA-PI 2.3 ± 0.6 3.2 ± 3.7 0.223
RIMA-DF 71.4 ± 7.8 61.8 ± 18.1 0.025
RIMA-MF 66.7 ± 45.1 56.3 ± 24.4 0.282
  1. TTFM transit time flow measurement, LIMA left internal mammary artery, RIMA left internal mammary artery, MGF mean graft flow, PI pulse index, DF diastolic flow fraction