Impact of preoperative frailty on complications, readmissions, and functional recovery following total knee arthroplasty in elderly patients

doi:10.5312/wjo.v17.i2.115188

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World Journal of Orthopedics

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2218-5836

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

World J Orthop. Feb 18, 2026; 17(2): 115188
Published online Feb 18, 2026. doi: 10.5312/wjo.v17.i2.115188

Table 4 One-year functional recovery (Knee Society Score) between elderly total knee arthroplasty patients with preoperative frailty and a matched-control cohort

Outcome	Frailty (mean ± SD)	Control (mean ± SD)	P value
Baseline KSS	45.2 ± 9.8	46.1 ± 9.4	0.312
1-year KSS	75.5 ± 10.2	85.1 ± 8.1	< 0.001
Delta KSS	30.3 ± 11.4	39.0 ± 10.2	< 0.001

It presents the mean ± SD of the Knee Society Score (KSS) outcomes. Baseline KSS was similar between groups (P = 0.312). At one year, the frail group had significantly lower mean 1-year KSS scores (75.5 ± 10.2 vs 85.1 ± 8.1; P < 0.001) and a smaller mean delta KSS (change from baseline) (30.3 ± 11.4 vs 39.0 ± 10.2; P < 0.001) compared to the control group. KSS: Knee Society Score.

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Citation: Yasin MB, Raheel M, Ahmed MM, Ashfaq S, Asim HS, Rauf MQ, Fahim R, Chhetri R. Impact of preoperative frailty on complications, readmissions, and functional recovery following total knee arthroplasty in elderly patients. World J Orthop 2026; 17(2): 115188
URL: https://www.wjgnet.com/2218-5836/full/v17/i2/115188.htm
DOI: https://dx.doi.org/10.5312/wjo.v17.i2.115188

Yasin MB, Raheel M, Ahmed MM, Ashfaq S, Asim HS, Rauf MQ, Fahim R, Chhetri R. Impact of preoperative frailty on complications, readmissions, and functional recovery following total knee arthroplasty in elderly patients. World J Orthop 2026; 17(2): 115188 [PMID: 41695737 DOI: 10.5312/wjo.v17.i2.115188]

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