Lack of Association between Interarm Systolic Blood Pressure Difference and Coronary Artery Disease in Patients Undergoing Elective Coronary Angiography
Table 2
Frequency distribution of the severity and number of coronary artery stenosis in terms of IASBPD of less and more than 10 mmHg.
Number of vessel stenosis cases
Severity of vessel stenosis
Total (n = 578)
IASBPD‡ <10 mmHg (n = 527)
IASBPD≥10 mmHg (n = 51)
-value
Single vessel disease
Moderate†, n (%)
44 (7.6)
42 (95.5)
2 (4.5)
0.834
Sever††, n (%)
54 (9.3)
52 (96.3)
2 (3.7)
Sumθ, n (%)
98 (17.0)
94 (95.9)
4 (4.1)
Two-vessel disease
Moderate, n (%)
54 (9.3)
52 (96.3)
2 (3.7)
0.100
Sever, n (%)
76 (13.1)
67 (88.2)
9 (11.5)
Sum, n (%)
130 (22.5)
119 (91.5)
11 (8.5)
Three-vessel disease
Moderate, n (%)
18 (3.1)
15 (83.3)
3 (16.7)
0.319
Sever, n (%)
121 (20.9)
110 (90.9)
11 (9.1)
Sum, n (%)
139 (24.0)
125 (89.9)
14 (10.1)
†moderate stenosis = 50.0% up 70.0%, †† severe stenosis = >70%, θ sum : moderate stenosis + severe stenosis.
