Table 4

Number of recovered patients 3 and 15 months after baseline

 3 months after baseline 15 months after baseline Recovered Not recovered Recovered Not recovered n % n % n % n % Treatment group 3 21 11 79 8 62 5 38 Control group 4 20 16 80 7 37 12 63 Total 7 21 27 79 15 47 17 53
• Recovery was defined as a total sum score ≤3 on the Chalder Fatigue Questionnaire (each item scored 0-0-1-1), analogous to the case definition of chronic fatigue used as inclusion criterion in the present study. P values are based on Fisher’s exact test or χ2 test, as appropriate.