Research Article

Is the Combination of Platelet-Rich Plasma and Hyaluronic Acid the Best Injective Treatment for Grade II-III Knee Osteoarthritis? A Prospective Study

Table 1

Summary of the mean visual analogue scale (VAS) and Western Ontario McMaster Universities Osteoarthritis Index (WOMAC) values in our population, sorted per group.

TimeVAS score (0–10)WOMAC score (0–96)
t 03 M6 Mt 03 M6 M

Group A (HA)5.5 (1–9)4.3 (1–9)4.0 (0–8)36.4 (7–77)28.8 (2–84)31.8 (1–80)
Group B (PRP)6.1 (2–9)3.1 (0–6)3.5 (0–6)41.5 (5–85)19.6 (0–42)19.6 (0–45)
Group C (PRP + HA)5.2 (1–8)2.9 (0–6)2.4 (0–5)33.7 (7–73)21.4 (5–45)17.5 (4–45)

HA: hyaluronic acid; PRP: platelet-rich plasma. t0 = base time; 3 M = 3 months; 6 M = 6 months.