Table 3.

Counts of stained tubules by presence of plaque

	AQP1-Positive Tubules			ClC-Ka-Positive Tubules
Patient No.	Plaque	No plaque	Total	Plaque	No plaque	Total	All Tubules
1	0	43	43*	88	0	88*	131
2	1	50	51*	54	25	79*	130
3	2	48	50*	75	8	83*	133
4	1	22	23*	60	8	68*	91
5	3	65	68*	111	8	119*	187
All	7	228	235*	388	49	437*	672

AQP1, aquaporin 1; ClC-Ka, kidney-specific chloride channel A.

^*χ² P < 0.001.