Lack of relationship between cigarette smoking and alcohol use with dysplasia grade in ocular surface squamous neoplasia

Figures & data

Table 1 ICD-9 codes used to assemble the database

ICD-9 code	Label
190.3	Malignant neoplasm of conjunctiva
224.3	Benign neoplasm of conjunctiva
234.0	Carcinoma in situ of eye
239.89	Neoplasms of unspecified nature, other specified sites
372.9	Unspecified disorder of conjunctiva

Abbreviation: ICD-9, International Classification of Disease 9.

Table 2 Demographic data

Demographic	Number (N=35)	Percentage
Male	25	71.43
Female	10	28.57
White	31	88.57
African American	2	5.71
Hispanic	1	2.86
Other	1	2.86

Table 3 Wilcoxon two-sample test for tobacco use, EtOH use, and dysplasia grade

	Tobacco only	EtOH only	Both	Neither	Total
Grade 0	0	1	1	1	3
Grade 1	1	1	1	1	4
Grade 2	2	0	0	0	2
Grade 3	2	0	3	7	12
Grade 4	6	1	2	5	14
Total	11	3	7	14	35
P-valuea	0.7044	0.2470	0.5117	0.8259	–

Note:

a Wilcoxon two-sample test.