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Followup of patients after TKA comparing complication rates in those who returned for followup and those who did not
| Followup (years) | Number of patients with followup (complication rate) | Number of patients without followup (complication rate) | p value |
|---|---|---|---|
| 2 | 3828 (11%) | 3467 (5%) | < 0.001 |
| 5 | 1757 (16%) | 2463 (10%) | < 0.001 |
| 7 | 1006 (19%) | 2049 (14%) | 0.001 |
| 10 | 431 (25%) | 1337 (19%) | 0.008 |
| 15 | 133 (31%) | 672 (32%) | 0.82 |
| 20 | 2 (50%) | 159 (36%) | 0.7 |
