Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 3 Progression of osteoarthritis at final follow-up as per Kellgren–Lawrence (KL) classification
Type of PB | Pre-operative KL grade | Final follow-up KL grade | Anterior knee pain at final follow-up |
|---|---|---|---|
All cases | GI-56 | GI-42 | VAS 5–2 cases |
GII-69 | GII-76 | VAS 3–4 cases | |
GIII-9 | GIII-12 | VAS 7–1 | |
GIV-0 | GIV-4 | ||
PB pre-op and PB post-op (10 cases) | GI-4 | GI-2 | VAS 5–1 case |
GII-5 | GII-5 | VAS 3–1 | |
GIII-1 | GIII-2 | ||
GIV-0 | GIV-1 | ||
NP pre-op, PB post-op (9 cases) | GI-1 | GI-0 | VAS 3–1 |
GII-7 | GII-7 | ||
GIII-1 | GIII-2 | ||
GIV-0 | GIV-0 | ||
PB post-op irrespective of pre-op status (19 cases) | GI-5 | GI-2 | VAS 5–1 case |
GII-12 | GII-12 | VAS 3–2 | |
GIII-2 | GIII-4 | ||
GIV-0 | GIV-1 |