TABLE 1.
Demographic and radiological assessment in the outpatient, pre‐TKA and post‐TKA groups
| Outpatient‐KOA (n = 233) | Pre‐TKA (n = 320) | Post‐TKA (n = 368) | |
|---|---|---|---|
| Age (year) | 62.94 ± 10.68 | 69.69 ± 7.55 | 70.86 ± 7.08 |
| Male/Female | 64/169 | 93/227 | 118/250 |
| Follow up (months) | / | / | 20.54 ± 3.87 |
| WOMAC | 20.67 ± 15.72 | 37.95 ± 13.23 | / |
| K‐L grade | |||
| 1 | 62 (26.6%) | 0 (0%) | 0 (0%) |
| 2 | 119 (51.1%) | 41 (12.8%) | 23 (6.2%) |
| 3 | 38 (16.3%) | 65 (20.3%) | 46 (12.5%) |
| 4 | 14 (6.0%) | 214 (66.9%) | 299 (81.3%) |
Abbreviations: K‐L grade, Kellgren–Lawrence grade; KOA, knee osteoarthritis; TKA, total knee arthroplasty; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.