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Comparison of duration of fever by neopterin values of the first and second samples.
| Neopterin in the first sample (nmol/l) | Neopterin in the second sample (nmol/l) | ||
|---|---|---|---|
| Duration of fever, in days | r (correlation coefficient) | .439** | .474** |
| P value | 0.000 | 0.000 | |
| N | 77 | 77 | |
