Table 1.
Demographic Data and Playing Conditionsa
| All | SCA | EHS | ES With SCT | Asthma | Hyponatremia | |
|---|---|---|---|---|---|---|
| Total | 182 (100.0) | 105 (57.7) | 43 (23.6) | 22 (12.1) | 9 (4.9) | 3 (1.6) |
| Average age, y | 16.5 | 16.2 | 16.3 | 17.6 | 16.2 | 17.0 |
| Average BMI, kg/m2 | 32.6 | 30.2 | 36.4 | 31.7 | 27.9 | 28.2 |
| Practice | 162 (86.6) | 82 (78.1) | 43 (100.0) | 22 (100.0) | 8 (88.9) | 2 (66.7) |
| Game | 25 (13.4) | 23 (21.9) | 0 (0.0) | 0 (0.0) | 1 (11.1) | 1 (33.3) |
| Out of season | 126 (70.6) | 63 (60.0) | 40 (93.0) | 18 (81.8) | 5 (55.6) | 0 (0.0) |
| Preseason (August) | 64 (34.2) | 29 (27.6) | 24 (55.8) | 4 (18.2) | 4 (44.4) | 3 (100.0) |
| High-intensity aerobic trainingb | 107 (94.7) | 39 (90.7) | 43 (100.0) | 22 (100.0) | 3 (60.0) | Unknown |
| Low-intensity exerciseb | 6 (5.3) | 4 (9.3) | 0 (0.0) | 0 (0.0) | 2 (40.0) | 0 (0.0) |
| Lineman positionc | 79 (66.4) | 33 (52.4) | 34 (97.1) | 8 (66.6) | 2 (33.3) | 2 (66.6) |
aData are presented as n (%) unless otherwise specified. BMI, body mass index; EHS, exertional heat stroke; ES exertional sickling; SCA, sudden cardiac arrest; SCT, sickle cell trait.
bThe exercise regimen was known in 113 cases.
cThe player’s position was known in 119 cases. All percentages are based on total number of known data points (SCA = 63; EHS = 35; ES with SCT = 12; asthma = 6).