Correlation analysis of ESRD
| Variables | Pearson correlation (r) | PCS (N = 104) | EKD (N = 104) | SP (N = 104) | MCS (N = 104) | BKD (N = 104) |
|---|---|---|---|---|---|---|
| PCS | r | 1 | 0.211* | 0.321** | 0.203* | 0.036 |
| p-value | -- | 0.032 | < 0.001 | 0.038 | 0.717 | |
| EKD | r | 0.211* | 1 | 0.576** | 0.202* | 0.132 |
| p-value | 0.032 | -- | < 0.001 | 0.039 | 0.181 | |
| SP | r | 0.321** | 0.567** | 1 | 0.269** | 0.024 |
| p-value | < 0.001 | < 0.001 | -- | 0.006 | 0.807 | |
| MCS | r | 0.203* | 0.202* | 0.269** | 1 | 0.103 |
| p-value | 0.038 | 0.039 | 0.006 | -- | 0.296 | |
| BKD | r | 0.036 | 0.132 | 0.024 | 0.103 | 1 |
| p-value | 0.717 | 0.181 | 0.807 | 0.296 | -- |
*Correlation is significant at the 0.05 level (2-tailed). ** Correlation is significant at the 0.01 level (2-tailed). SP: symptoms and problems; EKD: effects of kidney disease; BKD: burden of kidney disease; PCS: physical component summary; MCS: mental component summary; ESRD: end-stage renal disease. --: not applicable