Table 1 Timing of study questionnaires
baseline | 6 weeks | 3 months | 6 months | 9 months | 12 months | |
|---|---|---|---|---|---|---|
Severity of pain: VAS (1–10) | x | x | x | x | x | x |
Experienced recovery: Likert (1–7) | x | x | x | x | x | |
HOOS including WOMAC | x | x | x | x | x | x |
Prodisq + medical consumption | x | x | x | x | x | |
EQ 5 D | x | x | x | x | x | |
Side effects of injection | x | x | x | x |