A dedicated sheet will be used to record patients' data including all demographic data, detailed analysis of time of injury, time and details of surgery . Investigators conduct retrospective study and review the case detalis for 50 eligible patients who underwent total hip arthroplasty between December 2021 and December 2022 in our Assiut University Orthopaedics and Trauma surgery Department All patients followed and evaluated in our outpatient clinic at 3 month post-operatively. In addition to clinical, neurological, and radiological examination, a dedicated and validated questionnaire will be used for measuring the clinical and functional outcome at each visit.

The questionnaire includes three majors parts (1) general satisfaction level after total hip arthroplasty .(2) satisfaction level for 16 subordinate items : pain relief, walking on a flat surface , ascending stairs , getting in/out of cars, squatting, rising after squatting, putting on and tying shoes, walking fast or jogging, limp length discrepancy , hip squeaking( cases of ceramic and non ceramic implant) , hip stiffness, abnormal feeling in the hip, muscle weakness when walking, hip numbness and discomfort in cold weather(3) Ranking the top 5 important functions or issues among the 16 items , with "important" being defined as what patients are currently most concerned with.Objective The Harris Hip Scale (HHS) was developed for the assessment of the results of hip surgery such as total hip arthroplasty , and we intended to use it in evaluation of patient satisfaction level There are ten items covering four domains. The domains are pain, function, absence of deformity, and range of motion The pain domain measures pain severity and its effect on activities and need for pain medication. The function domain is divided into daily activities and gait. The deformity domains observes hip flexion, adduction, internal rotation, and extremity length discrepancy while the range of motion domain asses hip (ROM) .The Harris Hip Score (HHS) is divided into three sections. The first section are questions about pain and its impact which are answered by the patient or client. The second and third sections require the clinician The HHS is a measure of dysfunction so the higher the score, the better the outcome for the individual. The maximum score possible is 100. Results can be interpreted with the following \<70 = very dissatisfied result; 70-80 = somewhat dissatisfied , 80-90 = somewhat satisfied , and 90-100 = very satisfied .then a two category satisfaction outcome was determined for each question by combining patients who answered very dissatisfied , dissatisfied into " Dissatisfied group " and combining those who answered satisfied or very satisfied into " Satisfied group " . These two categories were used for all statical analysis

The Oxford Hip Score (OHS) is a joint-specific, patient-reported outcome measure designed to assess disability in patients undergoing total hip arthroplasty Its' primary goal during development was to assess pain and function in patients undergoing joint replacement surgery.

The OHS is a short 12-item survey in which Patients are asked to reflect on their pain and functional ability over the previous 3 months There are two domains (pain and function) with six items or questions in each. Each item has four possible responses. In the scoring responses range from 0 to 4 where 0 represents the worst outcome and 4 represents the best. In this use, 48 is the maximum (and best) score achievable The scores for the 0-48 scale can be interpreted as follows Score 0 to 19 May indicate severe hip arthritis. Score 20 to 29 May indicate moderate to severe hip arthritis. Score 30 to 39 May indicate mild to moderate hip arthritis. Score 40 to 48 May indicate satisfactory joint function