Table 2 Prevalence of ECG abnormalities at age 50 and 70
ECG abnormalities * | Age 50 (n = 2314) n (%) | Age 70 (n = 1135) n (%) |
|---|---|---|
Major Q or QS pattern (1.1) | 6 (0.26) | 102 (9.0) |
Minor Q or QS pattern (1.2/1.3) | 20 (0.86) | 49 (4.32) |
ST seg. depression (4.1/4.2) | 50 (2.16) | 161 (14.19) |
T wave items (5.1–5.4) | 130 (5.62) | 180 (15.86) |
LBBB (7.1) | 5 (0.22) | 18 (1.59) |
High R-amplitude (3.1–3.3) | 336 (14.52) | 269 (26.8) |
Atrial fibrillation/flutter (8.3) | 7 (0.30) | 55 (4.85) |