17 June 2024 : Clinical Research
Epidemiology and Risk Factors for Revision Total Knee Arthroplasty in Chinese Patients: A Retrospective Study in Changchun, Jilin Province, China
Yang Sun
1ABCDEFG, Jichao Liu 1ABCDEFG, Weibo Jiang1ABDE, Chao Gao2ACDE, Yichun Qiao2ACDE, Yanguo Qin 1ABDEF, Jincheng Wang 1ABCDEFG*
DOI: 10.12659/MSM.943681
Med Sci Monit 2024; 30:e943681
Table 3 Patient characteristics of the revision total knee arthroplasty subgroups.
| Variable | Infection (n=57) | Aseptic loosening (n=23) | Stiffness (n=16) | Instability (n=4) | Periprosthetic fracture (n=3) | Malposition (n=3) | Extensor mechanism disruption (n=1) |
|---|---|---|---|---|---|---|---|
| Male/Female (number of patients) | 20/37# | 2/21 | 3/13 | 0/4 | 0/3 | 0/3 | 0/1 |
| Age (years)* | 64.47±10.89 | 64.65±5.28 | 62.00±6.16 | 68.00±2.94 | 66.67±12.90 | 61.00±12.17 | 62 |
| BMI (kg/m)* | 25.28±3.71 | 24.39±2.17 | 24.31±3.31 | 26.07±4.06 | 29.11±2.21 | 26.07±2.75 | 25.46 |
| Smoking history (number of patients) | 11/46## | 3/20 | 0/16 | 1/3 | 1/2 | 1/2 | 0/1 |
| Time from primary TKA to revision TKA (months)** | 16 (0.2–96) | 41 (0.5–204) | 16 (0.5–122) | 16 (9–25) | 26 (6–60) | 27 (7–62) | 93 |
| # =0.04, ## =0.01, compared with primary TKA group; * Values are expressed as mean with SD; ** values are expressed as mean with range in parentheses. | |||||||