Development and validation of a new nomogram model for prediction of early functional outcomes and satisfaction in patients after kinematic alignment total knee arthroplasty (KA-TKA)

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400090363

Enrollment

Unknown

Registered

2024-09-29

Start date

2024-10-08

Completion date

Unknown

Last updated

2024-09-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoarthritis of the knee

Interventions

Gold Standard:Clinical outcome

Index test:A new nomogram model for prediction of poor early functional outcomes and dissatisfaction in patients after kinematic alignment total knee arthroplasty (KA-TKA)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. patients who underwent initial unilateral KA- TKA surgery at Fujian Provincial Hospital between 09/2024 and 01/2026; 2. patients with complete medical records, including preoperative and postoperative imaging data.

Exclusion criteria

Exclusion criteria: 1. less than 3 months of postoperative follow-up; 2. complications related to KA-TKA surgery, such as periprosthetic infection, periprosthetic fracture, delayed wound healing, and non-healing wounds within 3 months after surgery.

Design outcomes

Primary

Measure	Time frame
General demographic information;Preoperative Oxford Knee Score (OKS);Preoperative WOMAC score;Preoperative knee function score (fKSS);pain sensitivity questionnaire (PSQ);preoperative knee flexion and extension mobility (ROM);preoperative VAS pain score;preoperative HKA angle and HKA angle deviation;Self-Depression Scale (SDS) ;Self-Anxiety Scale (SAS) ;Chalcedon's Co-morbidity Index (CCI);pain during the 48-hour postoperative period;postoperative analgesic regimen;OKS score at 3 months postoperatively;fKSS score at 3 months postoperatively;WOMAC score at 3 months postoperatively;assessment of kinesiophobia (TSK);postoperative rehabilitation exercises;Forgotten Joint Score (FJS-12);satisfaction with the surgery;Osteotomy thickness;cruciate ligament preservation integrity;knee prosthesis type;femoral prosthesis external rotation angle;spacer type and thickness;medial and lateral knee tissue laxity;degree of infrapatellar fat excision;Intraoperative analgesic medication;surgical bleeding;	—

Measure

Time frame

General demographic information;Preoperative Oxford Knee Score (OKS);Preoperative WOMAC score;Preoperative knee function score (fKSS);pain sensitivity questionnaire (PSQ);preoperative knee flexion and extension mobility (ROM);preoperative VAS pain score;preoperative HKA angle and HKA angle deviation;Self-Depression Scale (SDS) ;Self-Anxiety Scale (SAS) ;Chalcedon's Co-morbidity Index (CCI);pain during the 48-hour postoperative period;postoperative analgesic regimen;OKS score at 3 months postoperatively;fKSS score at 3 months postoperatively;WOMAC score at 3 months postoperatively;assessment of kinesiophobia (TSK);postoperative rehabilitation exercises;Forgotten Joint Score (FJS-12);satisfaction with the surgery;Osteotomy thickness;cruciate ligament preservation integrity;knee prosthesis type;femoral prosthesis external rotation angle;spacer type and thickness;medial and lateral knee tissue laxity;degree of infrapatellar fat excision;Intraoperative analgesic medication;surgical bleeding;

—

Secondary

Measure	Time frame
family support;nutritional scores;	—

Countries

China

Contacts

Public ContactXu Jie

Fujian Provincial Hospital

jiexud@126.com+86 139 5048 1734

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026