Table 4.

Histological scores in the two treatment groups.

Variable	Cryotherapy	Control	p-Value (Mann-Whitney U)
Fibrosis—intraoperative	0 (1)	0 (2)	0.975
Fibrosis—1st follow-up visit	2 (1)	2 (0)	0.541
Fibrosis—2nd follow-up visit	2 (1)	1 (1)	0.092
Mononuclear (inflammatory) cell infiltrate—intraoperative	3 (1)	3 (1)	0.838
Mononuclear (inflammatory) cell infiltrate—1st follow-up visit	1(1)	1.5 (1)	0.003
Mononuclear (inflammatory) cell infiltrate—2nd follow-up visit	0 (1)	1 (0)	0.000
Edema—intraoperative	2 (0)	2 (1)	0.446
Edema—1st follow-up visit	0.5 (1)	1 (1)	0.000
Edema—2nd follow-up visit	0 (1)	1 (1)	0.040
Ciliated cells—intraoperative	1 (0)	1 (1)	0.091
Ciliated cells—1st follow-up visit	2 (1)	1 (1)	0.007
Ciliated cells—2nd follow-up visit	2 (1)	1 (1)	0.000
Goblet cells—intraoperative	1 (1)	1 (1)	0.055
Goblet cells—1st follow-up visit	0 (1)	1 (1)	0.001
Goblet cells—2nd follow-up visit	0 (0)	1 (1)	0.000
Epithelial hyperplasia—intraoperative	2 (1)	2 (1)	0.273
Epithelial hyperplasia—1st follow-up visit	1 (2)	2 (1)	0.030
Epithelial hyperplasia—2nd follow-up visit	0 (1)	1 (0)	0.001
Squamous metaplasia—intraoperative	1 (1)	1 (1)	0.937
Squamous metaplasia—1st follow-up visit	1 (1)	1 (1)	0.082
Squamous metaplasia—2nd follow-up visit	0 (1)	1 (1)	0.069

1st follow-up visit—3 months following surgery; 2nd follow-up visit—12 months following surgery.