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. 2009 Mar 9;10:31. doi: 10.1186/1471-2474-10-31

Table 2.

Relative and absolute reliability of the average of 3 MVPT measurements

Intraclass correlation coefficient model ICC
(± 95%CI)
SEM (SEM as % of grand mean) SDD (SDD as % of grand mean)
Intra observer
ICC model 3.3
0.94
(0.86 – 0.97)
6.22 (3.98%) 17.23 (11.04%)
Inter observer
ICC model 2.3
0.89
(0.75 – 0.95)
9.65 (6.05%) 26.76 (16.77%)

The Intraclass correlation coefficient (ICC), the standard error of measurement (SEM), the smallest detectable difference (SDD) and the % of the grand mean for the intra- and inter-observer average MVPT value of knee extension strength measurements in patients with haematological malignancies are presented.