Table 1.

Physical parameters in untreated mice: Body weight, kidney weight, glomerular number, glomerular volume, and GFR

	Body weight, g	Kidney weight, mg/g body weight	Glomeruli per kidney, no.	Mean glomerular volume × 10−5, μm3	Cinulin, ml/min
p21(+/+)	24.35  ±  2.68	5.938  ±  0.656	12,583  ±  681	1.92  ±  0.58	1.088  ±  0.072
p21(−/−)	28.47  ±  4.18	5.720  ±  0.607	12,091  ±  555	1.74  ±  0.14	1.050  ±  0.076
P value	<0.001	NS	NS	NS	NS

Values are means ± SD. NS, not significant.