Table 10.

Statistical Methods

Data Type	Measure	Metrics	Purpose	Criterion
RNA-Seq	Fragments per kilobase exons for million mapped reads (FPKM)	Padj; z value	Descriptive; Strength of evidence	none
Semi-Quantitative Immunoblotting of Kidney Tissue (Figure 1)	Normalized band density	P (unpaired t-test)	Testing null hypothesis	P<0.05
Semi-Quantitative Immunoblotting of Cultured Cells (Figures 7 and 12)	Normalized band density	P (ANOVA; Bonferroni)	Testing null hypothesis	P<0.05/n
Enrichment of Genes from Cutated Lists in Vasopressin-escape Gene Lists	Number of transcripts	P (Chi-square)	Testing null hypothesis	P<0.05
Enrichment of Gene Ontology Terms in Vasopressin-escape Gene Lists	Number of transcripts	P (Fisher Exact; DAVID)	Testing null hypothesis	P<0.05
Cell Counts in Immunocytochemically Labeled, Microdissected Tubules	Number of cells	P (unpaired t-test)	Testing null hypothesis	P<0.05
Cell Counts of PCNA positive cells	Number of cells	P (Chi-square)	Testing null hypothesis	P<0.05
Cell Counts of high density DAPI-labeled nuclei	Number of cells	P (Fisher Exact)	Testing null hypothesis	P<0.05