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. 2020 May 13;12:271–278. doi: 10.2147/NSS.S247628

Table 4.

Comparison of Urinary 6-Sulfatoxymelatonin/Creatinine Ratio between the Two Groups before and after Intervention

Urine 6-Sulfatoxymelatonin (ng/mg Cr) Intervention (n=26) Control (n=29) P-valuea
Mean±SD Mean±SD
Before treatment 19.8±5.0 20.7±4.9 0.496
After treatment 27.4±6.5 22.8±7.6 0.020
P-valueb <0.001 0.147

Notes: aIndependent sample t-test. bPaired sample t-test.

Abbreviations: ng, nanograms; mg, milligrams; Cr, creatinine.