Table 2.

Age Distribution of Subjects and Corresponding mean RPT

Age (Years)	Frequency	%	Right mean RPT (cm)	Left mean RPT (cm)
15–24	56	18.0	1.92 ± 0.19	1.96 ± 0.16
25–34	113	36.5	1.97 ± 0.22	1.99 ± 0.19
35–44	59	19.0	1.94 ± 0.18	1.99 ± 0.21
45–54	31	10.0	1.86 ± 0.23	1.90 ± 0.17
55–64	34	11.0	1.75 ± 0.16	1.82 ± 0.31
65–74	14	4.5	1.74 ± 0.30	1.79 ± 0.16
75–84	3	1.0	1.68 ± 0.20	1.65 ± 0.22
Total	310	100.0

Mean age = 37.1 years (range 18–80 years)

Right Kidney: 2.08 – 0.0049 Age (r = −0.81)

Left Kidney: RPT = 2.13 – 0.0053 Age (r = Ȓ0.27)