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

Egyptian Rheumatology and Rehabilitation

Table 5 Multivariate linear regression analysis for the ultrasonographic parameters affecting WOMAC total score and WOMAC subscores

	Multivariate
	Sig.	B	SE	T
WOMAC total score
GFC	0.004	7.591	2.489	3.049
Med. osteophyte	0.087	4.356	2.477	1.758
LME	0.928	− 1.163	12.719	− 0.091
R² = 0.445
F = 9.628, p = < 0.001*
WOMAC stiffness score
GFC	0.020	0.730	0.300	2.431
Med. osteophyte	0.402	0.254	0.299	0.849
LME	0.164	2.182	1.535	1.422
R² = 0.366
F = 6.932, p = 0.001*
WOMAC physical function score
GFC	0.003*	5.978	1.865	3.206
Med. osteophyte	3.294	0.084	1.855	1.776
LME	− 6.529	0.498	9.527	− 0.685
R² = 0.447
F = 9.704, p = < 0.001*
WOMAC pain score
GFC	0.149	0.885	0.885	1.473
Med. osteophyte	0.187	0.805	0.805	1.346
LME	0.301	3.219	3.219	1.049
R² = 0.272
F = 4.494, p = 0.009*

*Statistically significant at p ≤ 0.05
WOMAC score Western Ontario and McMaster Universities Osteoarthritis score, GFC global femoral cartilage, MME medial meniscal extrusion, LME lateral meniscal extrusion