Table 1.

Descriptive statistics (median, lower quartile, and upper quartile) and correlation between SF-36 scales at baseline and change in EDSS scores from months 0 to 12 among 91 patients included in a randomized clinical trial on IFNα-2a

StatisticQLMedianQUCorrelation coefficientp Value
QL indicates lower quartile; QU indicates upper quartile. EDSS = Expanded Disability Status Scale; IFNα-2a = interferon alpha-2a.
Physical functioning457090−0.060.57
General health395467−0.050.64
Mental health688092−0.290.006
Bodily pain63901000.000.98
Role–emotional5867100−0.220.04
Role–physical255075−0.240.02
Social functioning5878100−0.180.10
Vitality455565−0.140.19