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Forest plot of HRQOL PROMs comparing unilateral to bilateral; CI = confidence interval; SD = standard deviation; QOL = quality of life; PROMs = patient-reported outcome measurement studies; GBI = Glasgow Benefit Inventory; GHSI = Global Health State Inventory; EQ-5D = EuroQol 5 Dimensions; HUI-3 = Health Utilities Index 3; VAS = Visual Analogue Scale.
