Title

Patient-reported outcomes after total knee replacement: Questionnaire and functional assessment study

Authors

Avinash Nachkunte¹, Mustafa Al-Jaafar¹ & Amruta Dashputra^2,*

Affiliation

¹Department of Trauma and Orthopaedics, Aneurin Bevan University Health Board, Wales United Kingdom; ²Department of Pharmacology, NKP Salve Institute Medical Sciences and Research center and Lata Mangeshkar Hospital Nagpur, India; *Corresponding author

Email

Avinash Nachkunte - E-mail: avinashdexter08@gmail.com; Phone : +91 77604 71200

Mustafa Al-Jaafar - E-mail: mnjk2007@yahoo.com; Phone: +004 47442683921

Amruta Dashputra - E-mail: avdashputra@gmail.com

Article Type

Research Article

Date

Received April 1, 2026; Revised April 30, 2026; Accepted April 30, 2026, Published April 30, 2026

Abstract

Recent studies indicate that although many patients are satisfied with their surgical results after total knee replacement (TKR), there is still concern regarding ongoing levels of pain, limited mobility and differences in the level of satisfaction among patients. Therefore, it is of interest to prospectively evaluate patient-reported outcomes and functional recovery in TKR patients following the completion of at least 6 months post-operative recovery through the application of KOOS, SF-36 and time up, go and 6-minute walk tests. In this study, KOOS Pain scores increased from an average of 45.6 points before surgery to an average of 82.1 points after surgery, while SF-36 physical functioning scores increased from an average of 41.2 points preoperatively to an average of 80.5 points at follow-up (p<0.001). Additionally, functional mobility improved significantly through decreased times on the timed up and go test from 18.4 seconds preoperatively to 10.2 seconds postoperatively (p<0.001) and increased distances walked during the 6-minute walk test from 230.7 meters to 360.8 meters (p<0.001). Furthermore, TKR has led to significant increases in patient satisfaction, functional independence and overall quality of life for TKR patients.

Keywords

Total knee replacement (TKR), patient-reported outcomes, quality of life, functional assessment, postoperative recovery, knee function, rehabilitation, joint pain relief, orthopedic surgery, patient satisfaction

Citation

Nachkunte et al. Bioinformation 22(4): 1970-1973 (2026)

Edited by

A Prashanth

ISSN

0973-2063

Publisher

Biomedical Informatics

License

This is an Open Access article which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. This is distributed under the terms of the Creative Commons Attribution License.