Equivalent outcomes of ACL revision with over-the-top single and double-bundle reconstruction using hamstring tendon compared to anatomical single and double-bundle reconstruction

Journal of Experimental Orthopaedics

Table 1 Data of all included patients

All patient data
Age	29.5 ± 10.2(16-48)
Gender (male/female)	31/47
Follow-up period (year)	3.7 ± 2.5(2-14)
Primary reconstructed method	Single 72 cases
Primary reconstructed method	Double 6 cases
Graft of primary ACLR	Hamstring: 46 cases
	Artificial ligament: 20 cases
	Bone-patella tendon –bone: 5 cases
	Quadriceps tendon: 4 cases
	Iliotibial band: 3 cases
Causes of failure	Malposition of bone tunnel: 40 cases
	Artificial ligament: 20 cases
	Reinjury: 18 cases
Interval from primary reconstruction to failure (year)	7.7 ± 7.0 (0.5-28)
Interval from primary ACL failure to revision ACL (year)	2.9 ± 5.4 (0.08-17)