a positive trendP = 0.17
The ECP group showed a positive trend towards a higher estimated glomerular filtration rate at three months (53 ± 11 vs. 47.1 ± 9; P = 0.17) and reached the level of statistical significance at 6 months (67.5 ± 10 vs. 53.6 ± 3; P = 0.03, Wilcoxon test).