From: Tryptophan metabolic pathway and neopterin in asthmatic children in clinical practice
| Variable | Asthmatic children | Healthy controls | p-value |
|---|---|---|---|
| TRP (μmol/L) | 111.1 ± 41.0 | 67.4 ± 10.2 | * p < < 0.01 |
| Kyn (μmol/L) | 2.68 ± 1.02 | 1.78 ± 0.42 | * p < < 0.01 |
| Kyn/TRP (μmol/mmol) | 26.6 ± 18.5 | 26.7 ± 6.2 | n.s. |
| Neopterin (nmol/L) | 7.0 ± 3.8 | 5.9 ± 1.6 | p = 0.0015 |