The purpose of this study was to estimate the impact of adhesive capsulitis on costs and health and to compare the cost-utility of high-grade and low-grade mobilisation techniques. In a randomised controlled trial, 92 patients with adhesive capsulitis received either high-grade mobilisation techniques or low-grade mobilisation techniques and were followed for one year. Outcome measures were quality adjusted life years (QALYs) according to the Short Form 6D (SF-6D) and societal costs estimated from cost questionnaires. Estimated costs and QALYs in both randomisation groups were similar, except for the number of treatment sessions (18.6 for high-grade mobilisation techniques versus 21.5 for low-grade mobilisation techniques), with an estimated cost difference of Euro 105 in favour of high-grade mobilisation techniques (p = 0.001, 95% CI 43 to 158). In the entire sample, the average valuation of health improved from 0.597 at baseline to 0.745 after a year. The burden due to adhesive capsulitis was estimated at 0.048 QALY and Euro 4,521 per patient. About half these costs were due to absenteeism which, during the first quarter, amounted to 38% of the total working hours. In conclusion, the cost-utility analysis does not allow for an evidence-based recommendation on the preferred treatment. Based on the clinical outcome measures, high-grade mobilisation techniques are still preferred to low-grade mobilisation techniques. The estimated substantial burden, both to the patient and to society, suggests that effective early treatment of adhesive capsulitis is warranted to attempt to accelerate recovery.

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