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. 2024 Jul 2;13(13):3888. doi: 10.3390/jcm13133888

Table 1.

Distribution of etiologies for UKA and TKA.

Etiologies UKA (%) TKA (%) Significance
Primary osteoarthritis 97.35 97.70 p < 0.0001
Post-traumatic arthritis 1.13 1.46
Rheumatoid arthritis 0 0.22
Osteonecrosis 0.52 0.06
Leg deformity 0 0.06
Malignant neoplasm 0.02 0.02
Other/unspecified 0.98 0.48