Table 1 Patients' characteristics
From: Total knee arthroplasty in carefully selected patients aged 80 years or older
Parameters | ≥80 years group | Control group | pvalue |
|---|---|---|---|
Mean age (year) | 82 (2.8; 80–93) | 72 (2.2; 65 ~ 74) | <0.001 |
Female, n (%) | 54 (72) | 62 (82) | 0.144 |
Mean BMI (kg/m2) | 26.2 (3.0; 19.5–35.5) | 28.2 (3.7; 21.5–38.9) | 0.078 |
OA/RA/PTA, n | 73/2/0 | 72/2/1 | 0.528 |
ASA risk, n (%) | 0.1 | ||
I | 0 | 2 (2.7) | |
II | 42 (56) | 50 (66.6) | |
III | 33 (44) | 23 (30.7) | |
Anesthesia, n (%) | 0.684 | ||
General | 73 (97.3) | 72 (96) | |
Spinal | 2 (2.7) | 3 (4) |