Table 5 Morphology of the benign tissue at 6 months.

Benign tissue	Treated (n = 20)	Controls (n = 22)	p Value*
Stroma/gland ratio†	2.11 (1.1)	1.56 (0.61)	0.049
% of cases with atrophic epithelium	55%	15%	0.013
% of cases with basal cell hyperplasia	45%	8%	0.002
% of cases with transitional cell metaplasia	35%	5%	0.036
% of cases with chronic inflammation	60%	10%	0.002

*Statistics: Student's t and χ² tests.

†Visual estimation of the stroma:epithelium ratio, mean (SD)