Objective

To determine the factors associated with gonarthrosis in patients older than 40 years of the Hospital Santa Rosa in 2018.

Materials and methods

An analytical, case-control (61 cases and 122 controls) study was carried out in patients older than 40 years of age with and without a diagnosis of gonarthrosis treated at the Hospital Santa Rosa in 2018. In both groups, associated factors such as age, sex, nutritional status, hypertension, type 2 diabetes mellitus, occupation, knee trauma, low back pain, metabolic syndrome and smoking were evaluated. Pearson's chi-squared test and OR (logistic regression) were used for the statistical analysis.

Results

Eighty-eight point five percent (88.5 %) of the patients with gonarthrosis were females. Out of the patients with this disease, 68.9 % were housewives; the most frequent age range was 60 to 69 years in the case group (45.9 %) and 50 to 59 years in the control group (37.7 %). A significant association was found between the risk of suffering from gonarthrosis and having suffered low back pain (OR = 6.395; 95 % CI = 3.163 - 12.929) and being female (OR = 3.905; 95 % CI = 1.632 - 9.342). Regarding the history of knee trauma and smoking, they did not show significance.

Conclusions

It is concluded that females and low back pain are involved in the onset and progression of gonarthrosis. Age and occupation had a significant association with the occurrence of this disease.

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