Table 10.

Strength of correlation between age and number of proliferating cells in the different wall layers of the jejunum and colon

	Jejunum		Colon
	All ages	< 10 yr	All ages	< 10 yr
Absolute length of proliferating epithelium	-0.21	-0.16	0.07	0.17
Relative length of proliferating epithelium	0.15	0.07	0.02	0.37
Lamina propria of villi	-0.07	-0.28
Lamina propria between crypts	-0.32	-0.62	-0.36	-0.43
Lamina propria below crypts	-0.46	-0.74	-0.24	-0.65
Lamina muscularis mucosa	-0.56	-0.61	-0.36	-0.5
Submucosa	-0.45	-0.54	-0.57	-0.61
Tunica muscularis	-0.29	-0.56	-0.36	-0.34