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Spearman Correlation Tests of Main Variables
| Correlation coefficient | P value | |
|---|---|---|
| IL‐8/AUC | 0.082 | 0.022 |
| IL‐8/ARI duration | 0.141 | <0.001 |
| Neutrophils/AUC | 0.080 | 0.030 |
| Neutrophils/ARI duration | 0.080 | 0.028 |
IL‐8 = Interleukin‐8, AUC = area under curve (calculated as trapezoidal approximation using daily scores from Wisconsin Upper Respiratory Symptom Survey on y‐axis and duration of ARI illness on x‐axis), ARI = acute respiratory infection.
