TABLE 7.

Serum phosphorus levels at different visit times among the three groups.

Visit Time		Mild group (n = 20)		Moderate group (n = 12)		Severe group (n = 12)		F		P value
baseline		1.70 ± 0.33		1.75 ± 0.31		1.86 ± 0.27		1.022		0.369
Week 2		1.80 ± 0.39		1.70 ± 0.30		1.86 ± 0.26		0.714		0.496
Week 4		1.71 ± 0.34		1.80 ± 0.31		1.72 ± 0.27		0.328		0.722
Week 6		1.78 ± 0.46		1.59 ± 0.21		1.94 ± 0.33		2.515		0.093
Week 8		1.73 ± 0.41		1.72 ± 0.34		1.82 ± 0.27		0.313		0.733
Week 10		1.74 ± 0.43		1.68 ± 0.32		1.80 ± 0.42		0.247		0.782
Week 12		1.77 ± 0.39		1.83 ± 0.47		1.92 ± 0.40		0.469		0.629
F		0.494		1.790		1.344		/		/
P value		0.808		0.129		0.264		/		/