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| Cost-effectiveness of increased telephone contact for patients with osteoarthritis. A randomized, controlled trial |
| Weinberger M, Tierney WM, Cowper PA, Katz BP, Booher PA |
| Arthritis and Rheumatism 1993 Feb;36(2):243-246 |
| clinical trial |
| 6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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OBJECTIVE: To evaluate the cost-effectiveness of telephone intervention for patients with osteoarthritis. METHODS: Randomized, controlled trial. RESULTS: The intervention did not significantly increase health care costs. The annual costs for a 1-unit improvement in physical functioning and in pain, as measured by the Arthritis Impact Measurement Scales, were $70.86 and $31.00, respectively. CONCLUSION: Telephone contact is a potentially cost-effective intervention in osteoarthritis.
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