| ANOVA | Analysis of variance |
| ICC | Intra-class correlation coefficient |
| LDF | laser Doppler flowmetry |
| M | mean |
| MDC | mean detectable change |
| Er:YAG | erbium-doped yttrium aluminum garnet; Er: Y3Al5O12 |
| PI | pain intensity |
| PU | perfusion units |
| SD | standard deviation |
| VSP | Very short pulse |
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