One-stage bilateral mean (SD) [n] Unilateral control mean (SD) [n]
Preoperative EQ-5D index 0.14 (0.21) [32] 0.31 (0.34) [32]
Pain VAS 70 (11) [32] 62 (17) [32]
1-year postoperative EQ-5D index 0.91 (0.18) [32] 0.71 (0.32) [32]
Pain VAS 8 (12) [32] 17 (23) [32]
Satisfaction VAS 10 (17) [32] 16 (25) [32]
6-year postoperative EQ-5D index 0.89 (0.23) [29] 0.73 (0.32) [29]
Pain VAS 7 (14) [29] 21 (26) [29]
Satisfaction VAS 7 (16) [29] 12 (19) [29]
Table 4: Patient-reported outcome measures.