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Correlation of PHQ-9 with Barthel index, NIHSS, and MRS in stroke survivors
| PHQ9 | Barthel index | MRS | NIHS score | |
|---|---|---|---|---|
| PHQ-9 | 1 | -0.542** | 0.585** | 0.130 |
| Barthel index | -0.542** | 1 | -0.466** | -0.069 |
| MRS | 0.585** | -0.466** | 1 | 0.158 |
| NIHS score | 0.130 | -0.069 | 0.158 | 1 |
**Correlation is significant at the 0.01 level (2-tailed)
