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Published online 2013 Mar 28. doi: 10.1093/qjmed/hct061

Table 2

Characteristics of CFS patients at baseline and at follow-up (N = 834)

CharacteristicsBaselineFollow-upMean DifferenceP-valuea
mean (SD)mean (SD)(95% CI)
Chalder Fatigue (0–33)26.5 (5.2)19.7 (8.4)−6.8 (−7.4 to −6.2)<0.001
SF-36 physical function (scale 0–100)40.6 (22.7)45.0 (27.2)4.4 (3.0 to 5.8)<0.001
HADS anxiety (scale 0–21)10.1 (4.6)9.5 (4.6)−0.6 (−0.9 to −0.3)<0.001
HADS depression (scale 0–21)9.6 (4.1)7.9 (4.5)−1.6 (−1.9 to −1.4)<0.001
Visual Analogue Pain (scale 0–100)47.3 (26.6)42.0 (28.4)−5.3 (−7.0 to −3.6)<0.001

aStudent’s paired t-test