Journal of Orthopaedic Surgery and Research

Table 2 Intra-specimen repeatability

From: Use of embedded strain gages for the in-vitro study of proximal tibial cancellous bone deformation during knee flexion-extension movement: development, reproducibility and preliminary results of feasibility after frontal low femoral osteotomy

	*Mean Range*							*Mean Range*							*Mean Range*
Specimen	Max (mS)	Min (mS)	Mean RMS (mS)	Mean RMS (%)	ICC		r	Max (mS)	Min (mS)	Mean RMS (mS)	Mean RMS (%)	ICC		r	Max (mS)	Min (mS)	Mean RMS (mS)	Mean RMS (%)	ICC		r
	ME1							ME2							ME3
S1	13	-10	2	7	0.98	*	0.10	288	27	28	9	0.98	*	-0.35	71	-44	3	3	0.99	*	0.13
S2	7	-11	2	12	0.95	*	-0.35	96	-6	10	10	0.99	*	-0,20	162	-19	18	10	0.97	*	0.27
S3	-14	-49	3	5	0.98	*	0.36	72	-147	25	11	0.99	*	0.59	35	6	3	6	0.99	*	-0.20
S4	14	-18	2	5	0.97	*	0.23	33	-62	6	6	0.98	*	0.65	77	-4	8	10	0.99	*	0.41
S5	35	-68	5	5	0.99	*	0.78	-3	-26	1	5	0.99	*	0.32	15	-1	1	9	0.98	*	-0.16
S6	-3	-39	4	9	0.98	*	-0.46	148	20	10	6	0.95	*	0.07	40	-4	4	10	0.98	*	0.04
*Average*	9	*-33*	3	7	*0.98*		*0.11*	*106*	*-32*	13	8	*0.98*		*0.41*	67	*-11*	6	8	*0.98*		*0.08*
	ME4							ME5							ME6
S1	74	5	3	4	0.99	*	-0.54	36	-3	5	13	0.99	*	-0.60	10	-121	4	3	0.98	*	0.70
S2	23	-81	9	8	0.99	*	-0.06	-2	-45	5	11	0.97	*	0.53	-1	-16	1	8	0.98	*	0.49
S3	11	-46	7	12	0.99	*	0.42	-4	-33	4	11	0.95	*	0.74	4	-28	3	11	0.98	*	0.45
S4	29	-42	11	15	0.98	*	-0.68	-3	-10	1	5	0.97	*	0.38	-1	-15	1	9	0.98	*	0.55
S5	-4	-57	5	7	0.98	*	-0.76	23	-24	5	10	0.99	*	0.43	19	-15	2	6	0.99	*	0.60
S6	0	-49	4	9	0.96	*	0.30	52	-14	6	10	0.98	*	0.30	-1	-19	2	10	0.98	*	0.49
*Average*	22	*-45*	6	9	*0.98*	*-0.22*		17	*-21*	4	10	*0.98*		*0.48*	5	*-36*	2	8	*0.98*		*0.55*

Intra-specimen repeatability for all MEs in flexion. ME1: antero-medial Strain gage; ME2: medial Strain gage; ME3: postero-medial Strain gage; ME4: postero-lateral Strain gage; ME5: lateral Strain gage; ME6: antero-lateral Strain gage. *:P < 0.0001.

Back to article page

ISSN: 1749-799X

Contact us

Submission enquiries: journalsubmissions@springernature.com