The blue line represents the minimally important difference of 5 points on the 100-point 36-item Short Form physical component score. The dashed vertical line represents the overall pooled measure of association.
aWithin-group change from baseline data.
bBetween-group differences in change from baseline data.
cWeights are from random-effects analyses.
dComparison was morphine plus gabapentin vs gabapentin alone.
eComparison was morphine plus nortriptyline vs nortriptyline alone.