| MEASUREMENT PROPERTIES | |
| Limitations | English only |
| Observations | |
| 1. RELIABILITY | |
| A. Internal Consistency | Not Tested |
| Cronbach's (Describe) | |
| B. Reliability intraobserver or test-retest | Not Tested |
| Continuous scores: intraclass correlation coefficient (ICC) Dichotomus: Cohen kappa (Describe) |
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| C. Reliability interobserver or Measurement error | Not Tested |
| Standard error of measurement (SEM), smallest detectable change (SDC) or Limits of agreement (LoA) (Describe) |
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| 2. VALIDITY | |
| A. Content validity: face validity | Tested |
| Expert opinion (relevance and comprehensiveness) (Describe) |
The PAS and PASII contain patient‐derived variables from the American College of Rheumatology (ACR) core set of measures used to assess outcomes in RA. |
| B. Construct Validity: Structural validity |
Not Tested |
| Hypotheses-testing | Tested |
| Cross-cultural validity | Not Tested |
| Brief Description | |
| C. Criterion validity | Tested |
| Comparison with a 'gold standard' Continuous scores: correlations, ROC curves Dichotomus: Sensitivity & Specificity (Describe) |
The κ value for remission between the PASII and DAS28 is 0.25, for the PASII and provider global assessment of disease activity is 0.29, and for the PASII and CDAI is 0.40. An increase of 1 point in the PASII had an odds ratio of 1.19 (95% confidence interval 1.07–1.33) for predicting active from inactive disease independent of specific rheumatic disease diagnosis |