Table 1.
Clinical, radiological and pathohistological characteristics of the examined groups.
| Controls | Moderate OA | Severe OA | * p Value | |
|---|---|---|---|---|
| Age (median ± IQR, years) | 73 (72.25–76.75) | 72 (63.5–75.5) | 72 (67–77) | 0.884 |
| BMI (median ± IQR, kg/m2) | 25.67 (23.83–26.8) | 24.9 (23.28–25.88) | 26.9 (25.4–29.53) | 0.055 |
| K-L grade (median ± IQR) | 0.5 (0–1) | 2 (2–2) | 4 (3–4) | ˂0.0001 |
| Krenn score (median ± IQR) | 0 (0–0) | 6.5 (5.7–9) | 9 (7–9) | ˂0.0001 |
| OARSI (median ± IQR) | 1 (0.25–1) | 3 (1.5–4.5) | 2.5 (2–4.7) | 0.0005 |
| HHS (median ± IQR) | – | 48.9 (43.8–56.9) | 41 (33.18–49.7) | 0.271 |
| VAS (median ± IQR) | – | 6 (4.5–6.7) | 6 (5–7) | 0.781 |
| Total WOMAC (median ± IQR) | – | 46.1 (40–57.4) | 47.3 (36.1–55.3) | 0.917 |
IQR (interquartile range), OA (osteoarthritis), BMI (body mass index), K-L grade (Kellgren–Lawrence grading scale), OARSI (osteoarthritis cartilage histopathology assessment system), HHS (Harris Hip Score), VAS (visual analogue scale), WOMAC (The Western Ontario and McMaster Universities Osteoarthritis Index) * p < 0.05, Kruskal–Wallace test.