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Associations between average blood tryptophan hydroxylase 1 levels and breathing parameters.
| Parameter | r Spearman | p-Value |
|---|---|---|
| AHI | 0.252 | 0.010 |
| ODI | 0.192 | 0.050 |
| OA | 0.193 | 0.049 |
| CA | − 0.028 | 0.777 |
| HI | 0.264 | 0.007 |
| Average saturation | − 0.283 | 0.003 |
| Minimal saturation | − 0.206 | 0.035 |
| Average desaturation decline | 0.097 | 0.333 |
Apnea–hypopnea index (AHI), oxygen desaturation index (ODI), obstructive apnea (OA), central apnea (CA), hypopnea index (HI).
