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Table 3 Postoperative bone tunnel enlargement

From: Anatomic single-bundle anterior cruciate ligament reconstruction using a calcium phosphate-hybridized tendon graft: a randomized controlled trial with 2 years of follow-up

  CaP group Conventional group P value
Femur
 1 year (%) 24.1 ± 49.8 (n = 36) 63.8 ± 66.1 (n = 35) 0.006*
 2 years (%) 13.4 ± 58.1 (n = 22) 41.8 ± 66.7 (n = 20) 0.148
Tibia
 1 year (%) 17.3 ± 24.5 (n = 36) 18.9 ± 25.5 (n = 35) 0.788
 2 years (%) 6.4 ± 31.7 (n = 22) 1.5 ± 22.5 (n = 20) 0.573
  1. Results are given as the mean ± SD
  2. *Significant difference between the two groups (P < 0.05)
  3. The CaP group underwent single-bundle anterior cruciate ligament reconstruction with a calcium phosphate-hybridized graft, while the conventional group underwent reconstruction with a conventional tendon graft