Table 3. The correlation of body compositions and muscle strength with QoL by linear regression model.
| PCS | MCS | |||||||
| Standardized β (95% CI) | p-value | Standardized Adj-β (95% CI)a | p-value | Standardized β (95% CI) | p-value | Standardized Adj-β (95% CI)b | p-value | |
| Body composition | ||||||||
| MM% | 4.68 (2.98~6.38) | <0.001* | 2.77 (0.69~4.85) | 0.009* | 2.96 (1.48~4.44) | <0.001* | 2.14 (0.33~3.95) | 0.021* |
| AMM% | 5.97 (4.29~7.65) | <0.001* | 4.65 (2.36~6.94) | <0.001* | 3.59 (2.12~5.06) | <0.001* | 3.21 (1.23~5.18) | 0.002* |
| ArmsMM% | 5.41 (3.73~7.09) | <0.001* | 3.58 (1.03~6.13) | 0.006* | 2.95 (1.47~4.42) | <0.001* | 2.05 (−0.12~4.23) | 0.065 |
| LegsMM% | 5.86 (4.18~7.54) | <0.001* | 4.40 (2.27~6.52) | <0.001* | 3.66 (2.19~5.13) | <0.001* | 3.18 (1.34~5.01) | 0.001* |
| TrunkMM% | 3.20 (1.49~4.92) | <0.001* | 1.25 (−0.68~3.18) | 0.206 | 2.15 (0.66~3.63) | 0.005* | 1.19 (−0.51~2.88) | 0.170 |
| FM% | −5.04 (−6.73~−3.34) | <0.001* | −3.19 (−5.30~−1.08) | 0.003* | −2.98 (−4.46~−1.50) | <0.001* | −2.16 (−4.02~−0.31) | 0.022* |
| AFM% | −5.44 (−7.15~−3.74) | <0.001* | −3.93 (−6.36~−1.51) | 0.002* | −2.95 (−4.45~−1.46) | <0.001* | −2.12 (−4.25~0.02) | 0.052 |
| ArmsFM% | −5.24 (−6.95~−3.53) | <0.001* | −3.40 (−5.65~−1.16) | 0.003* | −3.51 (−4.99~−2.02) | <0.001* | −3.11 (−5.08~−1.15) | 0.002* |
| LegsFM% | −5.09 (−6.81~−3.38) | <0.001* | −3.29 (−5.61~−0.97) | 0.006* | −2.53 (−4.03~−1.02) | 0.001* | −1.29 (−3.34~0.75) | 0.216 |
| TrunkFM% | −3.77 (−5.49~−2.05) | <0.001* | −2.10 (−3.94~−0.26) | 0.026* | −2.47 (−3.96~−0.98) | 0.001* | −1.70 (−3.31~−0.08) | 0.040* |
| FMR | −5.53 (−0.21~−3.85) | <0.001* | −4.03 (−6.13 ~ 1.93) | <0.001* | −3.40 (−4.87~−1.93) | <0.001* | −2.92 (−4.76~−1.08) | 0.002* |
| Muscle strength | ||||||||
| Handgrip strength | 6.27 (4.62~7.92) | <0.001* | 5.33 (2.75~7.91) | <0.001* | 3.17 (1.71~4.63) | <0.001* | 3.10 (0.95~5.25) | 0.005* |
| Gait speed | 7.14 (5.52~8.76) | <0.001* | 6.56 (4.85~8.27) | <0.001* | 4.95 (3.52~6.38) | <0.001* | 4.87 (3.43~6.31) | <0.001* |
aAdjusted for sex, age, height, and smoking status. bAdjusted for sex, height, and marital status. *p < 0.05. Abbreviations: MM%: muscle mass percentage; AMM%: appendicular muscle mass percentage; ArmsMM%: arms muscle mass percentage; LegsMM%: legs muscle mass percentage; TrunkMM%: trunk muscle mass percentage; FM%: fat mass percentage; AFM%: appendicular fat mass percentage: ArmsFM%: arms fat mass percentage; LegsFM%: legs fat mass percentage; TrunkFM%: trunk fat mass percentage; FMR: fat-to-muscle ratio.