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Table 3 Estimated cumulative incidences (percentages) and absolute numbers of deaths and first MI for participants followed for 25 years by category (95% confidence intervals in brackets)

From: Prospective associations between ECG abnormalities and death or myocardial infarction in a cohort of 980 employed, middle-aged Swedish men

ECG category Death (n = 157)
Cumulative percentage
Infarction (n = 100)
Cumulative percentage
Deaths
Number of cases
First MI
Number of cases
0 (n = 790) 13.9 (11.5; 16.3) 8.35 (6.42; 10.3) 110 66
1 (n = 79) 20.8 (11.5; 30.0) 22.4 (13.8; 31.9) 16 17
9 (n = 108) 27.6 (18.5; 36.6) 12.6 (5.83; 19.4) 27 12
Total 15.6 (13.3; 17.57) 10.2 (8.3; 12.1) 153a 95b
  1. ECG category 0, ECG performed in 1993 and 1998, no ECGA; ECG category 1, ECG performed in 1993 and/or 1998 with one or more abnormalities; and ECG category 9, ECG performed in 1993 or 1998 without abnormality
  2. a4 deaths among the 23 non-informatives
  3. b5 MIs among the 23 non-informatives