Table 2 Preoperative x-rays (n = 89, missing 13)
n (%) | |
|---|---|
Gender | |
Male | 25 (28) |
Female | 64 (72) |
Age (mean) (standard deviation (SD)) | 77.2 (SD 11.2) |
Grade of osteoarthritis according to KLGS | |
Grade 1 | 2 (2) |
Grade 2 | 38 (43) |
Grade 3 | 39 (44) |
Grade 4 | 10 (11) |
Double fond osteophyte (DFO) | 31 (35) |
Posterior wall sign (PWS) | 74 (83) |