Table 2

Group mean disability index (DI) scores in the Stanford HAQ and HAQ99 using two different calculation methods

HAQ version (n=9) Stanford HAQ (standard) Stanford HAQ (alternative) HAQ99 (standard) HAQ99 (alternative)
DI score (SD)1.46 (0.81)1.21 (0.85)1.47 (0.77)2-150 1.19 (0.75)2-151
  • 2-150 Stanford HAQ standard versus HAQ99 standard, not significant.

  • 2-151 Stanford HAQ alternative versus HAQ99 alternative, not significant.