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Table 3 Relationship between MTWA result and incidence of ventricular arrhythmia in the analyzed group

From: Microvolt T wave alternans in adults with congenital heart diseases characterized by right ventricle pathology or single ventricle physiology: a case control study

 

Analyzed group (n = 92)

MTWA (+) (n = 18)

MTWA (ind) (n = 18)

MTWA (−) (n = 56)

MTWA (non-) (n = 36)

MTWA(+) vs MTWA(−) p

MTWA(non-) vs MTWA(−) p

VPB ≥ 10/h/nsVT (%)

23 (25.0)

3 (16.7)

9 (50.0)

11 (19.6)

12 (33.3)

1.0

0.217

sVT (%)

9 (9.9)

1 (5.7)

6 (33.3)

2 (3.6)

7 (19.4)

1.0

0.026

VPB ≥ 10/h/nsVT/sVT (%)

27 (29.3)

4 (22.2)

11 (61.1)

12 (21.8)

15 (41.7)

1.0

0.060

  1. MTWA(+) – positive result; MTWA(ind) – indeterminate result; MTWA(−) – negative result; MTWA(non-) – non-negative result; VPB ≥ 10/h – excessive ventricular ectopy; nsVT – non-sustained ventricular tachycardia; sVT – sustained ventricular tachycardia.
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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