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Introduction: The surgical offer of total hip arthroplasty in the public health network is unsatisfactory when compared to those promoted in economically developed countries. Excessive waiting time for elective surgeries can have unfavorable implications, including chronic pain and functional deficits. In Brazil, we lack populationbased data on the characteristics of patients with hip osteoarthritis. An understanding of the relationship between the factors would help health professionals to develop preventive and intervention strategies. So, it is necessary to investigate this population. Objective: Clinically characterize patients with indication for primary total hip arthroplasty due to osteoarthritis, search for differences between clinics by genders and observe the link between life quality and pain, central sensitization, pain catastrophizing and function of patients in a public hospital in São Paulo. Methodology: In a cross-sectioned study, 151 patients were evaluated. An evaluation form was used to collect data on the patients’ history with osteoarthritis and indication of a total hip arthroplasty. As for the clinical evaluation of this population, routine tools questionnaires, were used, including the Central sensitization inventory, numerical pain scale, Harris Hip Score, pain catastrophizing scale, and the EQ-5D-5L health-related quality of life questionnaire. A descriptive analysis of the data and a multiple linear regression were performed to verify the association. Results: 147 patients finished the study following the proposed criteria; in this study 1 in each 3 patients present indication of central sensitization by CSI and as major features: they are age 51 years old; they have 4 or 5 comorbities and are retired or unable to work. They have a high pain level average: 7.3 on the numerical pain scale, low levels of functionality: 44,9 points in the questionnaire Harris Hip Score and a moderate quality of life related to health with an average of 0.51 in the EQ-5D-5L questionnaire. Females have higher SC scores than males. Quality of life showed a greater association with functionality. Conclusion: Sedentary lifestyle, multimorbidity, functional disability, high level of pain with signs of central sensitization and impaired health-related quality of life are the clinical characteristics that are present in patients waiting for total hip arthroplasty surgery.
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