Table 4.
Associations of the change trajectories between sarcopenic components with PEF or PEFpred% from 2011 to 2015
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| β (95%CI) | P value | β (95%CI) | P value | β (95%CI) | P value | |
| PEF change | ||||||
| HGS change | 0.42 (− 0.10, 0.93) | 0.112 | 0.36 (− 0.16, 0.87) | 0.176 | 0.41 (− 0.01, 0.82) | 0.056 |
| Gait speed change | 17.80 (3.19, 32.40) | 0.017 | 13.01 (− 1.75, 27.76) | 0.084 | 24.96 (12.98, 36.94) | < 0.001 |
| 5CST change | − 2.32 (− 3.22, − 1.41) | < 0.001 | − 2.16 (− 3.07, − 1.25) | < 0.001 | − 1.92 (− 2.66, − 1.19) | < 0.001 |
| SPPB change | 4.78 (2.90, 6.65) | < 0.001 | 4.19 (2.30, 6.08) | < 0.001 | 3.66 (2.13, 5.19) | < 0.001 |
| SMI change | − 9.12 (− 20.59, 2.35) | 0.119 | − 10.19 (− 21.64, 1.27) | 0.081 | 2.22 (− 7.29, 11.74) | 0.647 |
| PEFpred% change | ||||||
| HGS change | 0.14 (− 0.01, 0.30) | 0.070 | 0.13 (− 0.02, 0.29) | 0.093 | 0.15 (0.02, 0.28) | 0.030 |
| Gait speed change | 5.35 (0.96, 9.74) | 0.017 | 4.27 (− 0.17, 8.71) | 0.060 | 7.62 (3.85, 11.39) | < 0.001 |
| 5CST change | − 0.71 (− 0.98, − 0.44) | < 0.001 | − 0.68 (− 0.95,− 0.41) | < 0.001 | − 0.61 (− 0.84, − 0.38) | < 0.001 |
| SPPB score change | 1.42 (0.86, 1.98) | < 0.001 | 1.30 (0.74, 1.87) | < 0.001 | 1.16 (0.68, 1.65) | < 0.001 |
| SMI change | − 2.35 (− 5.80, 1.10) | 0.182 | − 2.67 (− 6.12, 0.78) | 0.130 | 1.07 (− 1.92, 4.07) | 0.482 |
HGS hand grip strength, 5CST five-repetition chair stand test, SPPB short physical performance battery, SMI skeletal muscle mass index, PEF peak expiratory flow
Model 1, unadjust
Model 2, adjust for age and sex
Model 3, adjust for age, sex, education level, smoking status, drinking status, BMI, marital status, residential area, type of cooking fuels, baseline PEF or PEF%pred, hypertension, diabetes, heart problems, stroke, and kidney disease