Fig. 6From: The renal pelvis urobiome in the unilateral kidney stone patients revealed by 2bRAD-MIdentification of species-based markers of the stone group by a random forest model. a The cross-validation error curve showed that 30 species markers were selected as the optimal marker set by tenfold cross-validation. b The average AUC value reached 71.2% between the two groups. c The POD value was significantly increased in the stone group versus the control groupBack to article page