Table 4 Demographic and angiography characteristics of patients in derivation and clinical effect cohort.

From: Bifurcation functional significance score as predictor of mortality: a validating study

Patient characteristics

Derivation cohort (n = 81)

Clinical effect cohort (n = 555)

P-value

Age (years)

65 ± 11

67 ± 10

0.337

Sex—males, n (%)

57 (71)

383 (69)

0.646

Hyperlipidemia, n (%)

74 (91)

522 (94)

0.162

Diabetes, n (%)

36 (45)

216 (39)

0.401

Renal failure, n (%)

24 (30)

172 (31)

0.941

Smoking, n (%)

45 (56)

222 (40)

0.054

Cerebrovascular disease, n (%)

13 (16)

83 (15)

0.661

Peripheral artery disease, n (%)

9 (11)

55 (10)

0.635

Previous myocardial infarction, n (%)

22 (27)

144 (26)

0.644

Previous PCI, n (%)

46 (57)

(48)

0.183

Beta blocker, n (%)

72 (89)

(88)

0.685

ACE inhibitor/ ARB, n (%)

71 (88)

(84)

0.578

Calcium antagonist, n (%)

45 (55)

(39)

0.019

Atrial fibrillation, n (%)

14 (17)

(22)

0.546

Angiographic parameters

SYNTAX score

13 ± 4

12 ± 6

0.405

MV RVD, mm

3.32 ± .29

3.33 ± .43

0.421

MV %DS pre, %

61 ± 22

54 ± 31

0.103

MV %DS final, %

1 ± 6

2 ± 7

0.334

MB RVD, mm

2.96 ± .23

3.08 ± .75

0.593

MB %DS pre, %

71 ± 13

65 ± 27

0.090

MB %DS final, %

1 ± 4

2 ± 10

0.012

SB RVD, mm

2.43 ± .32

2.36 ± .74

0.561

SB %DS pre, %

56 ± 25

49 ± 32

0.062

SB %DS final, %

33 ± 33

28 ± 31

0.172

Lesion length, mm

43 ± 20

35 ± 20

0.004

MB BARI score, %

30 ± 9

29 ± 8

0.277

SB BARI score, %

16 ± 6

12 ± 60

0.001

Multivessel disease, n (%)

42 (52)

361 (65)

0.021

Bifurcation Functional Significance Score

9 ± 2

7 ± 3

0.001