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Table 2 CTFCs and Topographical Parameters Comparisons by Markis Types

From: Correlation of increased corrected TIMI frame counts and the topographical extent of isolated coronary artery ectasia

  Markis IV
(n = 17)
Markis III
(n = 21)
Markis II
(n = 23)
Markis I
(n = 16)
P-valuea Rs b
CTFCindex 28.28 ± 4.83 36.8 ± 10.13 40.04 ± 11.62 56.35 ± 20.95 < 0.001 0.603
Dindex (mm) 5.65 ± 0.85 6.16 ± 0.82 6.75 ± 1.01 7.15 ± 1.77 < 0.001 0.471
ERindex 1.61 ± 0.16 1.78 ± 0.22 1.94 ± 0.28 2.07 ± 0.48 < 0.001 0.573
LDindex (mm) 28.29 ± 7.33 58.57 ± 11.49 59.35 ± 14.17 63.63 ± 12.78 < 0.001 0.623
LDtotal (mm) 28.06 ± 7.34 58.57 ± 11.49 83.26 ± 14.45 131.94 ± 34.52 < 0.001 0.901
EEAindex (mm2) 149.84 ± 36.68 361.81 ± 93.37 524.93 ± 126.62 893.99 ± 421.2 < 0.001 0.653
EEAtotal (mm2) 149.84 ± 36.68 361.81 ± 93.37 397.97 ± 123.92 456.36 ± 190.76 < 0.001 0.889
  1. Abbreviations: D Diameter, ER Ectatic ratio, LD Linear dimension, EEA Estimated ectatic area
  2. aOne-way ANOVA, bSpearman’s Rank