|Table 1: Smallest detectable difference (SDD) of the 0–100 mm pain VAS reported in studies of rheumatoid arthritis.|
|SD: standard deviation; SDD: smallest detectable difference; VAS: visual analog scale. |
a0–100 mm pain VAS from 0, no pain, to 100, very severe pain.
bAll 10-mm scale values were converted to a 100-point scale by multiplying by ten.
cValues provided by T. Pincus and C. Swearingen for the “line 1” scores (see original article).