Table 2.
Two-year effect of obesity on sarcopenia parameters according to sex
| Men | Women | |||||
|---|---|---|---|---|---|---|
| BMI ≥ 25 (n = 202) | BMI < 25 (n = 204) | P-value | BMI ≥25 (n = 266) | BMI < 25 (n = 253) | P-value | |
| Δ HGS, kg (mean ± SD) | − 0.33 ± 3.56 | − 0.22 ± 3.13 | 0.747 | −0.45 ± 2.93 | −0.41 ± 2.60 | 0.852 |
| Δ ASMI, kg/m2 (mean ± SD) | − 0.38 ± 0.62 | − 0.48 ± 0.59 | 0.084 | − 0.24 ± 0.56 | −0.27 ± 0.56 | 0.507 |
| Δ SPPB (mean ± SD) | −0.35 ± 1.26 | −0.20 ± 1.09 | 0.187 | −0.43 ± 1.44 | −0.58 ± 1.56 | 0.249 |
| WC ≥90 (n = 218) | WC < 90 (n = 188) | P value | WC ≥85 (n = 338) | WC < 85 (n = 181) | P value | |
| Δ HGS, kg (mean ± SD) | −0.09 ± 3.18 | −0.44 ± 3.48 | 0.302 | −0.41 ± 2.63 | −0.44 ± 2.84 | 0.890 |
| Δ ASMI, kg/m2 (mean ± SD) | −0.33 ± 0.59 | −0.54 ± 0.62 | < 0.001** | −0.20 ± 0.54 | −0.35 ± 0.57 | 0.04* |
| Δ SPPB (mean ± SD) | −0.37 ± 1.24 | −0.16 ± 1.10 | 0.072 | −0.51 ± 1.48 | −0.49 ± 1.55 | 0.902 |
| PBF ≥ 28 (n = 175) | PBF < 28 (n = 231) | P value | PBF ≥ 34 (n = 233) | PBF < 34 (n = 286) | P value | |
| Δ HGS, kg (mean ± SD) | −0.30 ± 3.46 | −0.26 ± 3.27 | 0.907 | −0.22 ± 2.91 | −0.6 ± 2.64 | 0.125 |
| Δ ASMI, kg/m2 (mean ± SD) | −0.27 ± 0.52 | −0.55 ± 0.65 | < 0.001** | −0.15 ± 0.47 | −0.70 ± 0.67 | < 0.001** |
| Δ SPPB (mean ± SD) | −0.20 ± 1.10 | −0.27 ± 0.52 | 0.147 | −0.44 ± 1.45 | −0.56 ± 1.54 | 0.374 |
Cut-off point of obesity: BMI ≥ 25 kg/m2; WC ≥ 90 cm for men and ≥ 85 cm for women; PBF ≥ 28% for men and ≥ 34% for women
BMI body mass index, WC waist circumference, PBF percentage of body fat, HGS hand grip strength, ASMI appendicular skeletal muscle mass index, SPPB short physical performance battery
*P < 0.05
**P < 0.001