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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
  1. 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.