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Table 5 Median (IQR) fatigue and physical function at baseline (assessment) and at 1- to 5-year follow-up among patients treated by CFS/ME specialist services

From: Specialist treatment of chronic fatigue syndrome/ME: a cohort study among adult patients in England

   Baseline 1 year 2 years 3 years 4 years 5 years
Chalder Fatigue Scale (range 0–33) All former patients in sample 28 (24–31), n = 1265 21 (13–26), n = 516 20 (15–27), n = 80 21 (15–26), n = 83 20 (16–26), n = 106 21 (14–28), n = 99
  Patients who reported very much or much better overall health at 2, 3, 4, or 5 years 27 (23–40), n = 117 16 (11–22), n = 69 15.5 (11–20), n = 20 14 (8–19), n = 22 16 (11–19), n = 41 11 (11–17), n = 31
  Patients who reported little or no change in overall health at 2, 3, 4, or 5 years 27.5 (23–30), n = 202 22 (16–26), n = 124 20.5 (15.5–27), n = 52 22 (18–26), n = 47 21 (17–24), n = 47 21 (19–27), n = 43
  Patients who reported very much or much worse overall health at 2, 3, 4, or 5 years 27 (33–66), n = 30 24.5 (19–32), n = 42 30 (24–32), n = 8 33 (26–33), n = 14 30.5 (26–33), n = 18 31 (25–33), n = 25
SF36 Physical Function Subscale (range 0–100) All former patients in sample 47 (27–67), n = 1265 52 (32–77), n = 516 52 (29.5–74.5), n = 80 52 (27–77), n = 83 57 (32–82), n = 106 52 (32–82), n = 99
  Patients who reported very much or much better overall health at 2, 3, 4, or 5 years 52 (37–67), n = 117 72 (52–82), n = 69 77 (49.5–97), n = 20 87 (67–97), n = 22 82 (62–87), n = 41 87 (72–97), n = 31
  Patients who reported little or no change in overall health at 2, 3, 4, or 5 years 47 (32–62), n = 202 49.5 (32–72), n = 124 52 (29.5–72), n = 52 47 (27–67), n = 47 52 (27–67), n = 47 52 (32–72), n = 43
  Patients who reported very much or much worse overall health at 2, 3, 4, or 5 years 29.5 (17–52), n = 66 24.5 (12–52), n = 42 24.5 (7–34.5), n = 8 17 (2–37), n = 14 22 (7–47), n = 18 22 (2–37), n = 25