Table 5.
Correlations in the whole population of dialysis patients.
| Variable | Hand grip strength | AMM | SMI | Gait speed | Sit/Stand | |
|---|---|---|---|---|---|---|
| Hand grip strength | Pearson correlation | 0.731 | 0.644 | 0.251 | −0.275 | |
| Sig. (bilateral) | 0.000 | 0.000 | 0.013 | 0.007 | ||
| N |
100 |
100 |
100 |
100 |
||
| AMM | Pearson correlation | 0.731 | 0.893 | 0.071 | 0.022 | |
| Sig. (bilateral) | 0.000 | 0.000 | 0.491 | 0.830 | ||
| N |
100 |
100 |
99 |
100 |
||
| SMI | Pearson correlation | 0.644 | 0.893 | 0.012 | 0.111 | |
| Sig. (bilateral) | 0.000 | 0.000 | 0.905 | 0.458 | ||
| N |
100 |
100 |
100 |
94 |
||
| KT/Ve | Pearson correlation | −0.279 | −0.602 | 0.467 | −0.074 | −0.077 |
| Sig. (bilateral) | 0.005 | 0.000 | 0.000 | 0.477 | 0.033 | |
| N |
99 |
98 |
100 |
100 |
100 |
|
| Gait speed | Pearson correlation | 0.251 | 0.,071 | 0.012 | −0.234 | |
| Sig. (bilateral) | 0.013 | 0.,491 | 0.905 | 0.025 | ||
| N |
100 |
100 |
100 |
100 |
||
| Sit/Stand | Pearson correlation | −0.275 | 0.022 | 0.111 | −0.234 | |
| Sig. (bilateral) | 0.007 | 0.830 | 0.285 | 0.025 | ||
| N |
100 |
99 |
100 |
100 |
||
| Time in HD | Pearson correlation | −0.275 | 0.022 | 0.111 | 0.179 | 0.,081 |
| Sig. (bilateral) | 0.007 | 0.830 | 0.285 | 0.080 | 0.,434 | |
| N |
100 |
100 |
100 |
100 |
100 |
|
| Albumin | Pearson correlation | 0.147 | −0.057 | −0.073 | 0.107 | −0.154 |
| Sig. (bilateral) | 0.145 | 0.572 | 0.475 | 0.300 | 0.137 | |
| N |
100 |
99 |
99 |
100 |
100 |
|
| CRP | Pearson correlation | 0.084 | 0.161 | 0.042 | −0.043 | −0.006 |
| Sig. (bilateral) | 0.408 | 0.114 | 0.683 | 0.679 | 0.954 | |
| N |
100 |
100 |
100 |
100 |
100 |
|
| Creatinine | Pearson correlation | 0.321 | 0.296 | 0.317 | 0.044 | −0.055 |
| Sig. (bilateral) | 0.001 | 0.003 | 0.001 | 0.670 | 0.596 | |
| N |
100 |
100 |
100 |
100 |
100 |
|
| Calcium | Pearson correlation | 0.,109 | −0.117 | −0.134 | −0.158 | −0.201 |
| Sig. (bilateral) | 0.282 | 0.249 | 0.187 | 0.125 | 0.051 | |
| N |
100 |
100 |
100 |
100 |
100 |
|
| Phosphate | Pearson correlation | 0.012 | −0.016 | 0.040 | −0.051 | −0.013 |
| Sig. (bilateral) | 0.907 | 0.875 | 0.692 | 0.623 | 0.898 | |
| N |
100 |
100 |
100 |
100 |
100 |
|
| iPTH | Pearson correlation | 0.037 | 0.017 | 0.055 | −0.029 | −0.099 |
| Sig. (bilateral) | 0.712 | 0.871 | 0.591 | 0.780 | 0.342 | |
| N | 100 | 100 | 100 | 100 | 100 |
AMM, appendicular muscle mass; SMI, skeletal mass index; HD, hemodialysis; CRP, C-reactive protein; iPTH, intact parathyroid hormone; KT/Ve, index of dialysis adequacy standardized; Sig: significance; N, number of patients.