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Table 4 Features of cardiac valvular involvement of untreated TA patients with positive or negative ASO

From: Elevated antistreptolysin O titer is closely related to cardiac mitral insufficiency in untreated patients with Takayasu arteritis

Valvular involvementASO positive
n = 13
ASO negative
n = 61
P-Value
Total, n(%)10 (76.9)40 (65.6)0.427
Aortic Valve insufficiency, n(%)6 (46.2)24 (39.3)0.650
 Mild4 (30.8)18 (29.5)0.828
 Medium to severe2 (15.4)6 (9.8)0.559
Mitral valve insufficiency, n(%)9 (69.2)29 (47.5)0.155
 Mild5 (38.5)28 (45.9)0.624
 Medium to severe4 (30.8)1 (1.6)0.000
Mitral valve stenosis, n(%)1 (7.7)1 (1.6)0.222
Tricuspid valve insufficiency, n(%)6 (46.2)16 (26.2)0.154
 Mild4 (30.8)17 (27.9)0.833
 Medium to severe2 (15.4)1 (1.6)0.023
Pulmonary insufficiency (mild), n(%)1 (7.7)1 (1.6)0.222
Multiple valve involvement, n(%)8 (61.5)21 (34.4)0.069
Single valve involvement, n(%)2 (15.4)19 (31.2)0.252