Chromosomal Damage and Apoptosis in Exfoliated Buccal Cells from Individuals with Oral Cancer

Table 3

Data relating to micronucleus occurrence in smokers (A), nonsmokers and nondrinkers (B), and smokers and drinkers (C).

Subgroup	𝑁	Micronucleus	Total cells	𝜒^2	𝜒^2 partitions (DF = 1)
A	24	35	61,983	8.4734	A versus B: 𝜒^2=6.0345; 𝑃=0.0140^a
B	25	15	55,734	df = 2	A versus C: 𝜒^2=0.4788; 𝑃=0.4890^b
C	11	16	23,004	𝑃=0.0145	B versus C: 𝜒^2=7.5195; 𝑃=0.0061^a
Total	60	66	140,721

^aSignificant, ^bnonsignificant.