Table 1.

The statistical performance of the PWS analysis for all these category of patients compared with the controls

% DifferenceEffect sizeP
Control vs. diminutive adenoma12.440.090.66
Control vs. nondiminutive/nonadvanced adenoma42.440.640.0001
Control vs. advanced adenoma113.241.020.000006
Control vs. HNPCC184.501.170.000015
Control vs. cancer281.001.440.00000066

NOTE: The % mean differences, effect size, and the P values were calculated on the log-normalized Ld to obtain a normal distribution.