Average Symptom Score for Participants per Group on Representative Days
| Baseline | Day 3 | Day 9 | Day 14 | Day 30 | |
|---|---|---|---|---|---|
| Placebo (SD) | 22.24 (14.21) | 13.70 (9.16) | 5.42 (6.69) | 3.38 (4.09) | 2.21 (3.57) |
| Vitamin C (SD) | 24.59 (11.81) | 12.86 (8.67) | 7.00 (5.71) | 4.42 (4.48) | 3.87 (9.72) |
| Melatonin (SD) | 26.38 (14.97) | 18.40 (13.52) | 6.05 (6.76) | 4.59 (8.40) | 4.09 (6.07) |
Note: Higher scores indicate more or more severe total symptoms.
Abbreviations: SD, standard deviation.