Arthritis Research & Therapy

Table 5 Association between subgastrocnemius bursitis, popliteal cysts and WOMAC measures

From: Popliteal cysts and subgastrocnemius bursitis are associated with knee symptoms and structural abnormalities in older adults: a cross-sectional study

	Multivariable*			Multivariable^#			Multivariable^†
	Odds ratio	95% CI	P	Odds ratio	95% CI	P	Odds ratio	95% CI	P
Total pain
Subgastrocnemius bursitis	1.31	(0.99, 1.73)	0.05	1.31	(0.99, 1.73)	0.05	1.20	(0.91, 1.61)	0.19
Popliteal cyst	1.24	(0.98, 1.56)	0.07	1.24	(0.98, 1.56)	0.07	1.19	(0.94, 1.51)	0.15
Weight-bearing pain
Subgastrocnemius bursitis	1.34	(1.02, 1.77)	0.03	1.34	(1.02, 1.77)	0.04	1.24	(0.94, 1.64)	0.14
Popliteal cyst	1.27	(1.01, 1.60)	0.04	1.27	(1.01, 1.60)	0.04	1.23	(0.97, 1.56)	0.09
Non-weight bearing pain
Subgastrocnemius bursitis	0.85	(0.63, 1.13)	0.27	0.85	(0.64, 1.14)	0.28	0.85	(0.64, 1.14)	0.28
Popliteal cyst	0.97	(0.76, 1.24)	0.82	0.97	(0.76, 1.24)	0.82	0.97	(0.76, 1.24)	0.81
Stiffness
Subgastrocnemius bursitis	1.35	(1.03, 1.79)	0.03	1.36	(1.03, 1.80)	0.03	1.29	(0.98, 1.72)	0.07
Popliteal cyst	1.20	(0.95, 1.52)	0.12	1.20	(0.94, 1.52)	0.12	1.18	(0.93, 1.49)	0.18
Dysfunction
Subgastrocnemius bursitis	1.18	(0.9, 1.57)	0.23	1.18	(0.9, 1.57)	0.23	1.14	(0.85, 1.53)	0.37
Popliteal cyst	1.29	(1.00, 1.67)	0.04	1.29	(1.00, 1.67)	0.04	1.24	(0.96, 1.61)	0.09

Dependent variable: presence of pain, stiffness or dysfunction (yes versus no). Independent variable: subgastrocnemius bursitis or popliteal cyst, per grade. *Adjusted for age, sex, body mass index, disease status, and radiographic osteoarthritis; ^#further adjusted for effusion; ^†further adjusted for bone mass lesions and cartilage defects. Data in bold denote statistically significant results. WOMAC, Western Ontario McMaster Universities osteoarthritis index.

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ISSN: 1478-6362

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