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Table 5 Responsiveness parameters 6 months after intervention in the WOMAC short scales in cohort 1 (n = 590)

From: Validation of a proposed WOMAC short form for patients with hip osteoarthritis

Parameters

WOMAC short scales

 

Pain

Function

% at floor

  

   Preintervention

0.68

0.17

   Postintervention

31.21

6.24

% at ceiling

  

   Preintervention

1.88

1.89

   Postintervention

0.17

0.17

Mean (SD)

  

   Preintervention

55.69 (18.64)

67.88 (17.44)

   Postintervention

16.36 (17.95)

27.74 (19.48)

   Change

39.28 (23.14)

39.99 (23.14)

P value*

< 0.0001

< 0.0001

SES

2.11

2.29

SRM

1.70

1.73

  1. *Paired t-test to compare the mean preintervention and postintervention scores.
  2. % at floor = percentage of the study population at the lowest possible scale level; % at ceiling = percentage of the study population at the highest possible scale level; SD = Standard deviation; SES = Standardised effect size; SRM = Standardised response mean.
  3. The scores for the WOMAC domains range from 0 to 100, with higher scores indicating worse health status.
  4. Changes were calculated by subtracting postintervention scores from preintervention scores; a positive result indicates a gain.
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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