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Table 3 Cost-utility analyses

From: Cost-utility of an 8-month aquatic training for women with fibromyalgia: a randomized controlled trial

Alternatives Usual care Usual care plus exercise
EQ-5D utility at baselinea 0.331 (0.150 to 0.511) 0.316 (0.162 to 0.470)
EQ-5D utility at 3 monthsa 0.334 (0.175 to 0.494) 0.582 (0.434 to 0.729)
EQ-5D utility at 8 monthsa 0.334 (0.175 to 0.493) 0.528 (0.380 to 0.675)
QALY over 8 monthsb 0.002 (-0.087 to 0.091) 0.133 (0.034 to 0.231)
QALY difference vs. usual carec   0.131 (0.011 to 0.290)
Health system perspective:   
Incremental cost/person (€)   517
Cost-utility (€/QALY)c   3,947 (1,782 to 47,000)
Societal perspective:   
Incremental cost/person (€)   1,032
Cost-utility (€/QALY) ‡   7,878 (3,559 to 93,818)
  1. QALY, quality adjusted life year.
  2. aMean (95% confidence interval) estimated by analysis of covariance with adjustment for baseline EQ-5D score and then rounded to 3 significant figures; bmean (95% confidence interval) using the area under the curve technique; cmean (95% confidence interval estimated by bootstrapping) using the area under the curve technique.