Table 2. Macroscopic parameters of Fgfr4^+/+ and Fgfr4^−/− mice receiving a graded dietary Pi load.

	Fgfr4+/+ + 0.7% Pi diet	Fgfr4−/− + 0.7% Pi diet	Fgfr4+/+ + 2% Pi diet	Fgfr4−/− + 2% Pi diet	Fgfr4+/+ + 3% Pi diet	Fgfr4−/− + 3% Pi diet
Body weight (g)	32.0 ± 1.0	31.9 ± 1.0	30.3 ± 0.9	31.6 ± 0.9	29.5 ± 0.3	29.5 ± 0.4
Liver weight (g)	1.17 ± 0.04	1.15 ± 0.05	1.24 ± 0.03	1.20 ± 0.05	1.23 ± 0.5	1.19 ± 0.4
Spleen weight (mg)	76.3 ± 2.4	68.3 ± 1.7	77.0 ± 2.8	76.6 ± 2.8	76.6 ± 2.1	74.0 ± 1.7
Left kidney weight (mg)	146.5 ± 4.7	143.6 ± 4.5	156.0 ± 2.9	152.6 ± 3.4	153.4 ± 4.1	152.9 ± 3.7
Right kidney weight (mg)	149.0 ± 3.8	151.5 ± 3.7	152.9 ± 3.2	145.6 ± 3.5	152.5 ± 2.5	149.6 ± 3.9

Values are expressed as mean ± standard error of the mean (SEM). Comparison between groups was performed in form of a two-way analysis of variance (ANOVA) followed by a post hoc Tukey test. No level of statistical significance was accepted between groups; N = 8/group.