Indian Journal of Rheumatology

ORIGINAL ARTICLE
Year
: 2010  |  Volume : 5  |  Issue : 4  |  Page : 180--184

Varus and valgus deformities in knee osteoarthritis among different ethnic groups (Indian, Portuguese and Canadians) within an urban Canadian rheumatology practice


Raman Joshi1, Nimu Ganguli2, Christopher Carvalho3, Faye de Leon4, Janet Pope5 
1 Department of Medicine, Division of Rheumatology, Brampton, ON, Canada
2 Department of Diagnostic Imaging, William Osler Health System, Brampton, ON, Canada
3 Department of Life Sciences, McMaster University, Hamilton, ON, Canada
4 Department of Statistics, McMaster University, Hamilton, ON, Canada
5 Department of Medicine, University of Western Ontario, London, ON, Canada

Correspondence Address:
Janet Pope
Department of Medicine, University of Western Ontario, London, ON, Canada

Objective: To prospectively evaluate consecutive patients with knee osteoarthritis who presented to a Canadian community rheumatology clinic and determine the prevalence of varus deformities of the knees and the incidence of forefoot overpronation in three ethnically different populations-a Canadian-born population, Indian-born population and Portuguese-born population. Use of different therapies for knee osteoarthritis in the clinic was also evaluated. Methods: Data were collected on patient age, sex, body mass index (BMI), visual analog scale (VAS) pain, ethnic background, valgus/varus deformity at the knee and overpronation of the forefoot. Kellgren-Lawrence scores were assigned to plain radiographs. Charts were subsequently reviewed to evaluate rates of intra-articular steroid injec- tion, hyaluronic injection, surgical referral and surgical referral in the first year after being seen in the clinic. Results: Eight patients who were Portuguese-born, 26 who were Indian-born and 33 who were Canadian-born were identified. Age was not significantly different. Women had more valgus changes than men (P = 0.04), and VAS pain was not significantly different between men and women. Significantly more varus deformity was noted in the Indian-born group than the Canadian-born group (P = 0.002), and more valgus deformity was noted in the Portuguese-born than Canadian-born group (P = 0.009). There was a trend to lower BMI in the Punjabi-born group and lower VAS pain in the Canadian-born group. There was no significant correlation between BMI and VAS pain, nor age and VAS pain (r = −0.192 and −0.050 respectively). There was no significant association with either BMI or age and forefoot overpronation. No ethnicity differences in treatment such as use of intra-articular steroid/hyualuronic acid use, surgical referral or surgery were observed. Conclusions: Patient populations differed significantly in terms of varus and valgus deformities at the knee.


How to cite this article:
Joshi R, Ganguli N, Carvalho C, de Leon F, Pope J. Varus and valgus deformities in knee osteoarthritis among different ethnic groups (Indian, Portuguese and Canadians) within an urban Canadian rheumatology practice.Indian J Rheumatol 2010;5:180-184


How to cite this URL:
Joshi R, Ganguli N, Carvalho C, de Leon F, Pope J. Varus and valgus deformities in knee osteoarthritis among different ethnic groups (Indian, Portuguese and Canadians) within an urban Canadian rheumatology practice. Indian J Rheumatol [serial online] 2010 [cited 2020 Sep 26 ];5:180-184
Available from: http://www.indianjrheumatol.com/article.asp?issn=0973-3698;year=2010;volume=5;issue=4;spage=180;epage=184;aulast=Joshi;type=0