Table 2. Selected anthropometric parameters of nutritional status and body composition in the study groups.
| Parameter | Patients with atrial fibrillation (n = 120) | Control group (n = 240) | p value |
| Actual body mass (kg) | 84.4 ± 19.4 | 76.1 ± 16.0 | < 0.001 |
| Ideal body weight according to the Lorentz formula (kg) | 61.5 ± 8.2 | 60.7 ± 7.4 | 0.37 |
| Ratio of actual to ideal body weight (%) | 137.7 ± 28.9 | 125.6 ± 23.4 | < 0.001 |
| BMI (kg/m2) | 30.2 ± 6.3 | 27.6 ± 5.1 | < 0.001 |
| BMI ranges according to the WHO (kg/m2) (n, %) | < 0.001 | ||
| < 18.5 | 3 (1.6) | 5 (2.1) | |
| 18.5-24.9 | 22 (18.0) | 73 (29.8) | |
| 25.0-29.9 | 39 (32) | 100 (42.0) | |
| ≥ 30.0 | 59 (48.4) | 62 (26.1) | |
| Waist circumference (cm) | 105.7 ± 14.9 | 101.7 ± 13.3 | 0.010 |
| Handgrip strength of predominant hand (kg) | 30.5 ± 34.5 | 27.7 ± 17.4 | 0.32 |
| Triceps skinfold thickness (mm) | 20.2 ± 9.9 | 18.5 ± 9.7 | 0.09 |
| Subscapular skinfold thickness (mm) | 20.6 ± 8.5 | 20.2 ± 8.3 | 0.69 |
| Abdominal skinfold thickness (mm) | 29.8 ± 10.7 | 32.5 ± 64.6 | 0.64 |
| AMA (cm2) | 72.7 ± 20.9 | 68.0 ± 17.5 | 0.03 |
| Brachial adipo-muscular ratio (AFA/AMA) | 3.7 ± 1.4 | 3.5 ± 1.4 | 0.28 |
AFA, arm fat area; AMA, arm muscle area; BMI, body mass index; WHO, World Health Organization.