| Navigation group n (%) | Control group n (%) | Total n (%) | |
| Total number | 26 (100) | 28 (100) | 54 (100) |
| Immediate pain relief | 26 (100) | 27 (95) | 53 (98) |
| Pain relief at 12 months | 20 (77) | 15 (54) | 35 (65) |
| Pain relief at 24 months | 18 (69) | 11 (40) | 29 (54) |
| Pain relief at 36 months | 15 (58) | 10 (35) | 25 (46) |
| Relapse | 10 (38) at 30 months | 14 (50) at 18 months | 24 (44) |
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