Table 2.

Comparison of OMIRROP 2007 and previously published estimates of response and state-attainment.

PainVariables
StiffnessFunctionPGA
Definitions of Response
  OMIRROP 2007 (hip/knee) estimate20–2920–2920–2920–29
  MCII (absolute) 0–100 nu
    MCII75 hip 0–100 nu9*15.3NA7.915.2
    MCII75 knee 0–100 nu9*19.9NA9.118.3
    MPCI 0–100 nu6*9.7109.3NA
    OMERACT-OARSI (high) 0–100 nu7*≥ 20NA≥ 20NA
    OMERACT-OARSI (low) 0–100 nu7*≥ 10NA≥ 10≥ 10
  OMIRROP 2007 (hip/knee) estimate20–2920–2920–2920–29
  MCII (relative) 0–100%
    MCII75 hip 0–100%9*32NA21.132.6
    MCII75 knee 0–100%9*40.8NA2639
    OMERACT-OARSI (high) 0–100%7*≥ 50NA≥ 50NA
    OMERACT-OARSI (low) 0–100%7*≥ 20NA≥ 20≥ 20
  OMIRROP 2007 (hand) estimate20–2920–2920–2920–29
  MCII (absolute) 0–100 nu
    MCII75 hand 0–100 nu12**7.59.23.514.7
  OMIRROP 2007 (hand) estimate20–2920–2920–2920–29
  MCII (relative) 0–100%
    MCII75 hand 0–100%12**15.114.28.019.7
Definitions of State-attainment
  OMIRROP 2007 (hip/knee) estimate20–2930–3930–3930–39
  PASS (absolute) 0–100 nu
    PASS75 (hip) 0–100 nu14*35NA34.434.6
    PASS75 (knee) 0–100 nu14*32.3NA3132
    BLISS (knee) 0–100 nu16*≤ 10NANANA
  OMIRROP 2007 (hand) estimate30–3930–3920–2930–39
  PASS (absolute) 0–100 nu
    PASS75 (hand) 0–100 nu17**4137.844.841.6
    BLISS (hand) 0–100 nu13**≤ 10NANANA
  • * Published as a full report.

  • ** Published as an abstract. OMIRROP: Osteoarthritis Measurement in Routine Rheumatology Outpatient Practice; MCII: Minimum Clinically Important Improvement; MPCI: Minimum Perceptible Clinical Improvement; OMERACT-OARSI: Outcome Measures in Rheumatoid Arthritis Clinical Trials–Osteoarthritis Research Society International; PASS: Patient Acceptable Symptom State; BLISS: Bellamy et al Low Intensity Symptom State-attainment Index; nu: numeric units; PGA: patient global assessment; NA: not available.