Table 5. The involved knee function and sports level score of three groups. Group 3 months Statistical test 6 months Statistical test 12 months Statistical test IKDC score SB 73.2 ± 3.0 F=1.55 P=0.22 84.3 ± 3.1 F=16.55 P<0.001 89.1 ± 2.6 F=74.04 P<0.001 DB 73.9 ± 2.0 89.6 ± 1.8 95.1 ± 0.9 SBL 74.9 ± 3.2 88.2 ± 3.2 96.2 ± 1.6 Lysholm score SB 79.5 ± 2.1 F=2.96 P=0.06 81.8 ± 2.8 F=51.05 P<0.001 89.3 ± 2.3 F=79.94 P<0.001 DB 80.1 ± 1.9 86.2 ± 3.1 95.2 ± 0.9 SBL 81.4 ± 3.3 90.9 ± 1.8 96.3 ± 1.6 Tegner score SB 3.4 ± 0.3 F=2.99 P=0.06 4.0 ± 0.3 F=24.4 P<0.001 4.8 ± 0.3 F=86.90 P<0.001 DB 3.6 ± 0.3 4.5 ± 0.3 6.0 ± 0.4 SBL 3.4 ± 0.3 4.8 ± 0.3 6.3 ± 0.3 DB: anatomic double-bundle ACL reconstruction group, SB: anatomic single-bundle ACL reconstruction, SBL: anatomic single-bundle ACL reconstruction + ALL reconstruction group.