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Table 2 Coronary flow velocity reserve and calcium score parameters

From: Prognostic value of calcium score and coronary flow velocity reserve in asymptomatic diabetic patients

Variables Non DM DM Total p value: non DM vs. DM
(n = 99) (n = 101) (n = 200)
Baseline diastolic flow velocity (m/sec), LAD 0,27 ± 0,05 0,27 ± 0,07 0,27 ± 0,06 p = 0,663
Hyperemic diastolic flow velocity (m/sec), LAD 0,72 ± 0,16 0,67 ± 0,19 0,70 ± 0,18 p = 0,061
Rest heart rate 71,27 ± 10,86 70,70 ± 9,11 70,98 ± 10,0 p = 0,687
Hyperemic heart rate 76,23 ± 12,36 75,23 ± 10,82 76,06 ± 11,58 p = 0,835
CFVR 2,65 ± 0,41 2,48 ± 0,44 2,56 ± 0,44 p = 0,011
CFVR <2 3 (3,0 %) 19 (18,8 %) 22 (11,0 %) p < 0,001
CFVR ≥2 96 (97,0 %) 82 (81,2 %) 178 (89,0 %)
CS - total 93,10 ± 196,59 322,76 ± 534,84 209,09 ± 419,56 p < 0,001
CS - LAD 46,16 ± 93,24 142,32 ± 232,88 96,24 ± 184,40 p < 0,001
CS, no. (%) 0–10 56 (56,6 %) 31 (30,7 %) 87 (43,5 %) p < 0,001
11–100 18 (18,2 %) 14 (13,9 %) 32 (16,0 %)
101–400 20 (20,2 %) 35 (34,6 %) 55 (27,5 %)
401–1000 3 (3,0 %) 14 (13,9 %) 17 (8,5 %)
≥1001 2 (2,0 %) 7 (6,9 %) 9 (4,5 %)
CS 0–199 84 (84,8 %) 56 (55,4 %) 140 (70,0 %) p < 0,001
CS ≥200 15 (15,2 %) 45 (44,6 %) 60 (30,0 %)
  1. Plus–minus values are means ± SD, DM diabetes mellitus, LAD left anterior descending artery, CS calcium score, CFVR coronary flow velocity reserve, CVD cardiovascular disease