Patient characteristic | All patients (n=2241) | Sport duration <150 min/week (n=423) | Sport duration 150–300 min/week (n=716) | Sport duration >300 min/week (n=951) | Control group/no sports activity (n=151) |
Age, mean (SD), years | 42 (15) | 47 (12) | 46 (13) | 37 (16) | 47 (12) |
Sex, n (%) | |||||
Male | 1593 (71) | 257 (61) | 494 (69) | 751 (79) | 91 (60) |
Female | 648 (29) | 166 (39) | 222 (31) | 200 (21) | 60 (40) |
Ethnicity, n (%) | |||||
Caucasian | 2045 (91) | 391 (92) | 679 (95) | 851 (89) | 124 (82) |
Black | 155 (7) | 21 (5) | 29 (4) | 84 (9) | 21 (14) |
Other | 41 (2) | 11 (3) | 8 (1) | 16 (2) | 6 (4) |
Sudden cardiac death in first-degree family, n (%) | |||||
Yes | 16 (1) | 5 (1) | 8 (1) | 3 (<1) | 0 (0) |
No | 2225 (99) | 418 (99) | 708 (99) | 948 (100) | 0 (0) |
Sports discipline, n (%) | |||||
A1 | 13 (1) | 5 (1) | 2 (<1) | 6 (1) | |
A2 | 8 (<1) | 3 (1) | 4 (1) | 1 (<1) | |
A3 | 265 (13) | 92 (22) | 79 (11) | 94 (10) | |
B1 | 10 (<1) | 3 (1) | 1 (<1) | 6 (1) | |
B2 | 4 (<1) | 0 (0) | 1 (<1) | 3 (<1) | |
B3 | 1 (<1) | 0 (0) | 0 (0) | 1 (<1) | |
C1 | 230 (11) | 27 (6) | 39 (5) | 164 (17) | |
C2 | 356 (17) | 141 (33) | 142 (20) | 73 (8) | |
C3 | 516 (25) | 67 (16) | 164 (23) | 285 (30) | |
Multiple | 687 (33) | 85 (20) | 285 (40) | 318 (33) |
Early repolarisation was found in 502 athletes (24%) and in 26 non-athletes (17%).