Groups | 3 months | 6 months | 12 months |
---|---|---|---|
Anatomical reduction group (n = 82) | 71.3 ± 5.80 | 82.7 ± 3.55* | 85.9 ± 4.14*# |
Negative buttress group (n = 62) | 72.1 ± 5.59 | 80.6 ± 3.66* | 81.9 ± 2.56* |
Positive buttress group (n = 78) | 72.0 ± 5.24 | 83.1 ± 3.40* | 85.4 ± 3.74*# |
P value | 0.601 | 0.041 | < 0.001 |