Table 2

Comparisons across time within the primary outcome measures within the overall sample

NBaseline3-Month follow-upComparisons
PercentilesPercentilesz Statisticp Value
LowerMdnUpperLowerMdnUpper
SF-36 physical functioning7218.07541.64466.66725.69447.22277.583−3.1200.002**
SF-36 role limitations physical7100002550−4.3210.001***
SF-36 bodily pain7232.556.2579.37532.50067.50090−2.2400.025*
SF-36 social functioning7212.5255012.5005075−4.5040.001***
SF-36 general mental health72536075576880−2.6650.008**
SF-36 role limitations emotional72033.31710041.66766.670100−3.1590.002**
SF-36 vitality energy or fatigue7210153511.2503045−4.2050.001***
SF-36 general health perceptions72203040254050−3.9960.001***
MFI general fatigue72151819121619−3.6920.001***
MFI physical fatigue72151820121619−4.5910.001***
MFI reduced activity7211151891417−2.4210.015*
MFI reduced motivation7281013.7507912−2.9860.003**
MFI mental fatigue721114188.25012.50015−3.6610.001***
  • *Significant at 0.05 level.

  • **Significant at 0.01 level.

  • ***Significant at 0.001 level.

  • Mdn, median; MFI, Multidimensional Fatigue Inventory; SF-36, Short-Form 36.