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- Title
Risk Factors for Delayed Inpatient Functional Recovery after Total Knee Arthroplasty.
- Authors
Hoogeboom, Thomas J.; van Meeteren, Nico L. U.; Schank, Kristin; Kim, Raymond H.; Miner, Todd; Stevens-Lapsley, Jennifer E.
- Abstract
Purpose. To determine the predictive value of surgery-related variables for delayed inpatient functional recovery (i.e., ≥3 days to reach functional independence) after TKA. Method. 193 consecutive people undergoing TKA were included in this prospective cohort study. Inpatient functional recovery was measured daily using the Iowa Level of Assistance scale (ILAS). Two persons reviewed medical records to extract patient characteristics (i.e., age, sex, and BMI) and surgical factors (i.e., blood loss, tourniquet time, postoperative morphine use, and surgical experience). Odds ratios (OR) and area under the curves (AUC) were calculated to determine the predictive value of the putative factors and of the model on delayed functional recovery, respectively. Results. Delayed functional recovery was apparent in 76 (39%) people. Higher age, female sex, and higher BMI were all independent risk factors for delayed functional recovery (AUC (95%-CI); 0.72 (0.65–0.80)), whereas blood loss (OR (95%-CI); 1.00 (0.99–1.01)), tourniquet time (OR = 1.00 (0.98–1.02)), and postoperative morphine use (OR = 0.88 (0.37–2.06)) did not statistically improve the predictive value of the model, while surgical experience did (OR = 0.31 (0.16–0.64); AUC = 0.76 (0.69–83)). Conclusions. Surgery-related factors contribute little to the patient-related characteristics in a predictive model explaining delayed functional recovery after TKA in daily orthopaedic practice.
- Subjects
CONFIDENCE intervals; CONVALESCENCE; LENGTH of stay in hospitals; LONGITUDINAL method; MULTIVARIATE analysis; STATISTICS; TIME; TOTAL knee replacement; LOGISTIC regression analysis; BODY mass index; PREDICTIVE tests; RECEIVER operating characteristic curves; DATA analysis software; DESCRIPTIVE statistics; ODDS ratio
- Publication
BioMed Research International, 2015, Vol 2015, p1
- ISSN
2314-6133
- Publication type
Article
- DOI
10.1155/2015/167643