Range of shoulder motion in patients with adhesive capsulitis; intra-tester reproducibility is acceptable for group comparisons
Two articles on PainSci cite Tveitå 2008: 1. Is Diagnosis for Pain Problems Reliable? 2. Complete Guide to Frozen Shoulder
PainSci notes on Tveitå 2008:
Diagnostic reliability of range of shoulder motion in patients with frozen shoulder is “acceptable.”
original abstract †Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.
BACKGROUND: Measurements of range of motion play a key role in shoulder research. The purpose of this study is to investigate intra-observer reproducibility of measurements of active and passive range of motion in patients with adhesive capsulitis.
METHODS: The study was carried out in a population consisting of 32 patients with clinical signs of adhesive capsulitis. A specified measurement protocol was used, and range of motion in affected and non-affected shoulders was measured twice for each patient with a one-week interval.
RESULTS: For most of the investigated individual movements, test-retest differences in range of motion score of more than approximately 15 degrees are not likely to occur as a result of measurement error only. Point-estimates for the intraclass correlation coefficient ranged from 0.61 to 0.93.
CONCLUSION: Range of motion of patients with adhesive capsulitis can be measured with acceptable reproducibility in settings where groups are compared. Scores for individual patients should be interpreted with caution.
related content
- “Interrater reliability: the kappa statistic,” McHugh, Biochem Med (Zagreb), 2012.
- “The measurement of observer agreement for categorical data,” Landis et al, Biometrics, 1977.
This page is part of the PainScience BIBLIOGRAPHY, which contains plain language summaries of thousands of scientific papers & others sources. It’s like a highly specialized blog. A few highlights:
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