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Range of shoulder motion in patients with adhesive capsulitis; intra-tester reproducibility is acceptable for group comparisons

PainSci » bibliography » Tveitå et al 2008
Tags: diagnosis

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.

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