Table 2. Frequency of Normal histology, Atypia, Low-grade Dysplasia & High-grade Dysplasia in the Large Airways After NTCU Treatment.

(N mice with at least 1 lesion / N total mice in group (% of total))

Treatment group	Normal	Atypia	Low-grade Dysplasia	High-grade Dysplasia
15 weeks of NTCU (15 μmol)
S	11/11 (100)
SN		12/14 (86)	14/14 (100)	6/14 (43)
SN+C		13/14 (93)	13/14 (93)	7/14 (50)
D	15/15 (100)
DN	4/10 (40)	10/10 (100)	9/10 (90)	10/10 (100)
DN+C	2/12 (17)	10/12 (83)	12/12 (100)	7/12 (58)
25 weeks of NTCU (25 μmol)
S	14/14 (100)		1/14 (7)
SN	5/13 (38)	13/13 (100)	13/13 (100)	9/13 (69)
SN+C	2/8 (25)	8/8 (100)	8/8 (100)	4/8 (50)
D	10/10 (100)	2/10 (20)
DN	2/7 (29)	5/7 (71)	5/7 (71)	7/7 (100)
DN+C		3/10 (30)	10/10 (100)	10/10 (100)