|
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)
|
- * Minnesota codes in parenthesis.
- LBBB, left bundle branch block
- No attempt was made to eliminate overlap due to the occurrence of several items in one ECG. Subjects with acute MI before first survey were excluded from the analysis.
