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| TTS | 0≤n<6 (61 patients) (%) | 6≤n<18 (26 patients) (%) | Total (87 patients) (%) |
|---|---|---|---|
| MCID in ODI of ≥30% | 37 (60.7) | 11 (42.3) | 48 (55.2) |
| MCID Leg pain VAS of ≥33% | 55 (90.2) | 21 (80.8) | 76 (87.4) |
| MCID Back pain VAS of ≥33% | 45 (73.8) | 13 (50.0) | 58 (66.7) |
TTS, time to surgery; MCID, minimal clinically important difference; ODI, Oswestry disability index; VAS, visual analogue scores.
