By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection. See our privacy policy for more information on the use of your perso...
They could have done a two sample t test between groups on the ratio before dialysis minus ratio after. This givest= 0.16, 22 d.f., P = 0.88, or for the log transformed datat= 1.20, P = 0.24. The variability is not the same in the two groups, so they might have done a two ...