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. 2019 May 31;7(5):2325967119843504. doi: 10.1177/2325967119843504

Table 1.

Four Studies Not Included in the Houck et al3 Systematic Reviewa

Study Journal Study Design Test Model Fixed-Length Loop Adjustable-Length Loop Sample Size for Each Device Preload Cyclic Testing Pulled to Failure, mm/min Outcome Measureb
Noonan (2016)5 Arthroscopy CLS Device only; device–bone graft construct EndoButton TightRope 5 10-50 N for 10 cycles 50-250 N for 1000 cycles 50 1, 4, 5, 7, 8, 9
Kamelger (2009)4 Arthroscopy CLS Device only; device–bone graft construct EndoButton; RetroButton ToggleLoc 6 50 N 50-250 N at 1 Hz for 1000 cycles 20 2, 5, 7, 8
Cheng (2018)2 Int Orthop CLS Device only EndoButton TightRope; GraftMax 8 10-50 N at 1 Hz for 10 cycles 50-250 N for 1000 cycles 50 1, 4, 5, 7, 8
Smith (2018)6 Orthop J Sports Med CLS Device–bone graft construct EndoButton; RetroButton TightRope; GraftMax; Ultrabutton 8 80 N for 5 min 10-250 N at 0.75 Hz for 1000 cycles 50 1, 3, 5, 6, 7, 8, 9

aCLS, comparative laboratory study.

bOutcome measure: (1) preconditioning displacement or initial displacement; (2) motion per cycle; (3) dynamic elongation; (4) cumulative peak cyclic displacement or cyclic displacement; (5) total displacement; (6) force loss; (7) ultimate failure load or ultimate strength; (8) stiffness or linear stiffness; (9) failure type.