Demographics for patients and controls (ie, healthy fellow military recruits)
| Age (years) | Gender (M/F) | BMI (kg/m2) | Tobacco habit (yes/no) | Alcohol use (yes/no) | Dietary additive (yes/no) | Preservice exercise level* | Conscription board; muscular strength† | Conscription board; aerobic capacity† | |
| Patients, n=8 | 19.8±1.1 | 8/0 | 24.2±4.0 | 3/5 | 6/2 | 4/4 | 2.5±0.54 | 5.1±1.6 | 3.4±0.9 |
| Controls, n=26 | 19.5±1.0 | 24/2 | 24.5±3.4 | 16/10 | 22/4 | 9/17 | 2.1±0.71 | 6.5±2.0 | 3.4±1.4 |
| n.s. | n.s. | n.s. | n.s. | n.s. | n.s. | n.s. | p=0.05 | n.s. |
Age, BMI, preservice exercise level, muscular strength and aerobic capacity are given as arithmetic mean±SD.
*Questionnaire: three levels—1, no regular exercise; 2, regular exercise on an individual basis; 3, exercise organised by sports club with/without competitions.
†Assessed with a semiquantitative method at the conscription board examination; nine levels (1–9)—higher is better.14
BMI, body mass index.