Four-strand hamstring graft is stiffer than a tripled semitendinosus graft in anterior cruciate ligament reconstruction: a cadaveric study

Journal of Experimental Orthopaedics

Table 1 Maximum Failure load, Stiffness, Elongation and Graft Diameter

Groups	Failure load, N	Stiffness, N/mm	Elongation, mm	Graft Diameter, mm^b
A	708 (587–774)	103 (74–119)	5.2 (3.4–5.7)	8.6 ± 1.1
B	828 (684–888)	171 (139–204)	4.1 (3.0–5.3)	8.6 ± 0.8
C	721 (661–877)	232 (178–272)	2.8 (2.0–3.3)	8.4 ± 0.6
D	873 (723–996)	265 (227–305)	2.3 (1.9–3.0)	8.1 ± 0.4
P-value	NS^a	< 0.01^a	< 0.01^a	NS^b

Data are presented in median and interquartile range for Failure load, Stiffness and Elongation
^aGroup comparison was performed with a Kruskal Wallis test
^bGraft diameters are presented in mean and SD and were analyzed with One-way ANOVA
The significance level was set at P < 0.05