Table 1.

Stiffness in Solid Fracture‐Specific Screws (JFXS) and Cannulated Headless Compression Screws (HCS) During Cyclic Loading

		JFXS		HCS
Cycle Number	Count (Pairs)	Mean (N/mm)	SD	Mean (N/mm)	SD	p Value
1	10	22.9	23.5	16.1	16.9	0.324
10	10	39.4	16.2	37.2	18.8	0.744
100	9	39.8	8.8	37.5	11.3	0.474
200	9	36.0	15.0	38.5	12.2	0.678
300	9	40.5	7.7	39.2	12.9	0.749
400	9	40.0	7.6	39.4	12.0	0.903
500	9	40.3	7.6	39.1	12.0	0.712
600	9	40.1	8.0	39.7	12.6	0.926
700	9	40.4	7.7	40.0	13.2	0.895
800	9	40.9	7.5	40.3	13.4	0.855
900	9	40.6	7.3	40.6	13.2	0.986
1,000	9	40.6	7.5	40.3	13.5	0.928

Means with standard deviations of stiffness (slope) of Jones Fracture constructs during cyclic loading.