Pain as measured by scores on the colour Visual Analogue Scale and Faces Pain Scale — Revised for treatment and placebo groups
| Pain scale | Score, median (IQR) | p value* | |
|---|---|---|---|
| Treatment | Placebo | ||
| Colour Visual Analogue Scale | 0.50 (0.25–1.50) | 1.00 (0.38–2.50) | 0.01 |
| Faces Pain Scale — Revised | 0.00 (0.00–2.00) | 2.00 (0.00–4.00) | < 0.01 |
Note: IQR = interquartile range.
↵* One-way χ2 tests for equal proportions.