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Table 3 Combined HR of AECG-based TWA related to fatal cardiac events by endpoint and study method

From: Ability of ambulatory ECG-based T-wave alternans to modify risk assessment of cardiac events: a systematic review

Group

No. of studies

HR (95% CI)

Composite endpoint: SCD, cardiac mortality, and severe arrhythmic events

5

5.94 (1.80 to 19.63)

Endpoint: SCD

2

7.49 (2.65 to 21.15)

  Sulimov et al.

  Yu et al.

Endpoint: Cardiac mortality

2

4.75 (0.42 to 53.55)

  Sakaki et al.

  Monasterio et al.

Studies using MMA method

4

9.51 (4.99 to 18.11)

  Sakaki et al.

  Sulimov et al.

  Yu et al.

  Hoshida et al.

  
  1. Abbreviations: AECG ambulatory electrocardiogram, HR hazard ratio, MMA modified moving average, SCD sudden cardiac death.