Figure 1

Data represent mean value and error bars with 95% confidence intervals of the mean of the pain intensity score (A), and the visual analogue fatigue scale scores (B). Recorded during the 6 min and 24 hours after provocation chewing test. Level of significance (multiple comparisons for each group): Moderate disability, *P < 0.05; **P < 0.01; Mild disability, °P < 0.05; °°P < 0.01; and Healthy, ^P < 0.05; ^^P < 0.01.