Table 6

Sensitivity to change: comparison between scoring methods

MethodSensitivity to change
[19]6-150[26][39][43][48][49][28]
Sharp (1971)
Sharp (1985)SRM6-150=0.72MDC6-150=2.3%SRM ratio=1.44
v d Heijde/Sharp (1989)SDD6-150=7 to 24MDC=2.3%SRM ratio=1.70SRM=0.81–1.06
Larsen (1977)MDC=6.6%–9.6%SRM=0.80MDC=3.2%SRM ratio=1
(as reference)
Larsen (1995)SRM=0.88ES6-150=0.34
Rau/Larsen (1995)SRM ratio=1.25
Ratingen (1998)MDC=3.3%–4.6%MDC=3.3%
SENS (1999)SDD=4 to 6SRM ratio=0.66
KellgrenSRM=0.82–1.12
SES (2000)ES=0.38
  • 6-150 SRM = standardised response mean; MDC = minimal detectable change; SDD = smallest detectable difference; ES = effect size; [ ] = study reference.