Role of global femoral cartilage in assessing severity of primary knee osteoarthritis

Egyptian Rheumatology and Rehabilitation

Table 3 Correlation between clinical, radiological, and ultrasonographic parameters

	K-L r (P)	GFC r (P)	MME r (P)	LME r (P)	Med. osteophyte r (P)	Lat. osteophyte r (P)
WOMAC pain	0.456 (0.003*⁾	0.327 (0.040*)	0.386 (0.014*)	0.287 (0.073)	0.352 (0.026*)	0.441 (0.004*)
WOMAC stiffness	0.641 (< 0.001*)	0.558 (< 0.001*)	0.390 (0.013*)	0.374 (0.018*)	0.457 (0.003*)	0.452 (0.003*)
WOMAC function	0.732 (< 0.001*)	0.615 (< 0.001*)	0.430 (0.006*)	0.172 (0.290)	0.562 (< 0.001*)	0.568 (< 0.001*)
WOMAC total score	0.736 (< 0.001*)	0.607 (< 0.001*)	0.413 (0.008*)	0.202 (0.211)	0.541 (< 0.001*)	0.573 (< 0.001*)

WOMAC score Western Ontario and McMaster Universities Osteoarthritis score, GFC global femoral cartilage, MME medial meniscal extrusion, LME lateral meniscal extrusion, r Spearman’s correlation, p p value for comparing between the studied groups
*Statistically significant at p ≤ 0.05