|
Parameters
| |
6MWD
|
Hand grip strength
|
Isometric knee extensor muscle strength
|
|---|
|
Right
|
Left
|
Right
|
Left
|
|---|
|
6MWD
|
r
|
1
|
0.562
|
0.511
|
0.482
|
0.535
|
|
P value
|
0
|
0.001 (n = 34)
|
0.002 (n = 34)
|
0.006 (n = 31)
|
0.002 (n = 31)
|
|
CAT scores
|
r
|
−0.332
|
−0.490
|
−0.406
|
−0.491
|
−0.565
|
|
P value
|
0.068 (n = 31)
|
0.005 (n = 31)
|
0.024 (n = 31)
|
0.008 (n = 28)
|
0.002 (n = 28)
|
|
SF-36 component
|
|
Physical functioning
|
r
|
0.454
|
0.137
|
0.258
|
0.350
|
0.365
|
|
P value
|
0.013 (n = 29)
|
0.478 (n = 29)
|
0.177 (n = 29)
|
0.080 (n = 26)
|
0.067 (n = 26)
|
|
Role physical
|
r
|
0.334
|
0.413
|
0.490
|
0.589
|
0.473
|
|
P value
|
0.076 (n = 29)
|
0.026 (n = 29)
|
0.007 (n = 29)
|
0.002 (n = 26)
|
0.015 (n = 26)
|
|
Bodily pain
|
r
|
0.126
|
0.123
|
0.166
|
0.172
|
0.125
|
|
P value
|
0.516 (n = 29)
|
0.525 (n = 29)
|
0.389 (n = 29)
|
0.401 (n = 26)
|
0.542 (n = 26)
|
|
General health
|
r
|
0.465
|
0.382
|
0.367
|
0.478
|
0.376
|
|
P value
|
0.011 (n = 29)
|
0.041 (n = 29)
|
0.050 (n = 29)
|
0.014 (n = 26)
|
0.058 (n = 26)
|
|
Social functioning
|
r
|
0.334
|
0.221
|
0.221
|
0.370
|
0.306
|
|
P value
|
0.077 (n = 29)
|
0.249 (n = 29)
|
0.248 (n = 29)
|
0.063 (n = 26)
|
0.128 (n = 26)
|
|
Vitality
|
r
|
0.287
|
0.356
|
0.398
|
0.433
|
0.283
|
|
P value
|
0.131 (n = 29)
|
0.058 (n = 29)
|
0.034 (n = 29)
|
0.027 (n = 26)
|
0.161 (n = 26)
|
|
Role emotional
|
r
|
0.243
|
0.197
|
0.317
|
0.515
|
0.385
|
|
P value
|
0.204 (n = 29)
|
0.305 (n = 29)
|
0.093 (n = 29)
|
0.007 (n = 26)
|
0.052 (n = 26)
|
|
Mental health
|
r
|
0.382
|
0.124
|
0.317
|
0.355
|
0.310
|
|
P value
|
0.045 (n = 28)
|
0.529 (n = 28)
|
0.093 (n = 28)
|
0.081 (n = 25)
|
0.131 (n = 25)
|
|
PCS
|
r
|
0.159
|
0.345
|
0.346
|
0.284
|
0.228
|
|
P value
|
0.436 (n = 26)
|
0.084 (n = 26)
|
0.083 (n = 26)
|
0.189 (n = 23)
|
0.296 (n = 23)
|
|
MCS
|
r
|
0.497
|
0.220
|
0.180
|
0.354
|
0.349
|
|
P value
|
0.010 (n = 26)
|
0.281 (n = 26)
|
0.379 (n = 26)
|
0.097 (n = 23)
|
0.103 (n = 23)
|
|
RCS
|
r
|
0.292
|
0.225
|
0.345
|
0.587
|
0.435
|
|
P value
|
0.148 (n = 26)
|
0.269 (n = 26)
|
0.084 (n = 26)
|
0.003 (n = 23)
|
0.038 (n = 23)
|
- Spearman’s rank correlation coefficient was used for the analysis. 6MWD 6-min walk distance, CAT COPD assessment test, SF-36 the MOS 36-item Short-Form Health Survey Questionnaire, PCS physical component summary, MCS mental component summary, RCS, role/social component summary
