Table 4

Reproducibility of SWCS and AS
Participants with AS > 0 for at least one scan (n = 3102) Participants with AS > 0 for both scans (n = 2849)
Variable Median Mean Median Mean
% Change in SWCS 16.87 31.23 15.30 24.71
% Change in AS 18.29 41.52 16.26 27.38
% Change in AS minus 2.02 (1.66-2.40)* 10.31 (9.05, 11.56)* 1.05 (0.74-1.51)* 2.68 (1.99-3.36)*
% Change in SWCS

*P<0.001. P-values based on paired t-test for mean and Wilcoxon test for median.

Liang et al.

Liang et al. BMC Medical Imaging 2012 12:14   doi:10.1186/1471-2342-12-14

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