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Results of correlation analysis.
| Nitrite | Neopterin | PHE/TYR | KYN/TRP | ||
|---|---|---|---|---|---|
| MADRAS score (all cases) | r | .038 | −.102 | .088 | −.501 |
| P | .741 | .366 | .437 | <.001 | |
| MADRAS score (cases MADRAS < 25) | r | .410 | .034 | −.805 | −.586 |
| P | .008 | .833 | <.001 | <.001 | |
| MADRAS score (cases MADRAS >25) | r | .340 | −.130 | .713 | .379 |
| P | .032 | .425 | <.001 | .016 |
Abbreviation: MADRAS, Montgomery–Åsberg Depression Rating Scale scores; P, significance level; r, Pearson correlation coefficient.
