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Comparison of the curve-fitting and threshold-based (with a linear interpolation) methods—the DLMO50, DLMO25, and maximum and minimum melatonin concentrations.
| Average for the curve-fitting method | Average for the threshold-based method | p value∗∗ | |
|---|---|---|---|
| DLMO50 (h)∗ | 22.0206 | 21.9499 | 0.9437 |
| DLMO25 (h)∗ | 20.6897 | 20.8979 | 0.8415 |
| Maximum melatonin concentration (pg/mL) | 63.7445 | 67.5920 | 0.7816 |
∗Time in the decimal scale; ∗∗Student's t-test.
