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Table 4 ECG findings at age 50 according to Q-QS-pattern at age 70

From: T wave abnormalities, high body mass index, current smoking and high lipoprotein (a) levels predict the development of major abnormal Q/QS patterns 20 years later. A population-based study

ECG abnormalities* at age 50 Abnormal Q-QS pattern (1.1) at age 70
(n = 102) n (%)
  No abnormal Q-QS pattern (1.1) at age 70
(n = 1033) n (%)
p value
Minor Q-QS pattern (1.2/1.3) 2 (2.0)   4 (0.4) 0.04
High amplitude R-wave (3.1/3.3) 11 (10.9)   148 (14.4) 0.3
ST-segment depression (4.1/4.2) 1 (1.0)   11 (1.0) 0.9
T-wave items (5.1–5.4) 8 (7.9)   31 (3.0) 0.01
AF/flutter (8.3) 0 (0)   3 (0.3) 0.6
  1. * Minnesota codes in parenthesis
  2. AF, atrial fibrillation