. 2019 Oct 17;9:14898. doi: 10.1038/s41598-019-51275-w

Table 2.

Frequencies of micronuclei scored in buccal and blood cells of tobacco users and controls.

Particulars	No. of subjects studied	Mean frequency of micronuclei ± standard deviation of MN scored in blood cells/1000 (mean ± SD)	Mean frequency of micronuclei ± standard deviation of MN scored in buccal cells/2000 (mean ± SD)	Blood p < 0.005	Buccal p < 0.005
Controls
Group I	112	0.70 ± 0.65	0.76 ± 0.69
Male	39	0.82 ± 0.68	0.69 ± 0.61	0.002
Female	73	0.64 ± 0.63	0.80 ± 0.73		0.031
Group II	156	1.16 ± 0.67	1.08 ± 0.82	0.003	0.45
Male	64	1.25 ± 0.69	1.03 ± 0.77
Female	92	1.10 ± 0.67	1.13 ± 0.85		0.001
Experimentals
Group I	112	1.73 ± 0.90	2.19 ± 1.42*	0.004
Male	39	1.87 ± 0.76	2.46 ± 1.41		0.001
Female	73	1.65 ± 0.96	2.05 ± 1.42		0.909
Group II	156	2.46 ± 0.88^#	3.01 ± 1.38*		0.001
Male	64	2.65 ± 0.82**	2.96 ± 1.40	0.001	0.002
Female	92	2.32 ± 0.91	2.67 ± 1.46
Between Experimentals	268
Smokers	65	2.12 ± 0.83	2.90 ± 1.55		0.001
SLT users	154	2.02 ± 0.98	2.53 ± 1.34
Smokers and SLT users	49	2.61 ± 0.93^a	2.79 ± 1.64	0.001	0.001

^*,#Significantly elevated when compared to controls subjects as estimated by ANOVA.

**Significantly elevated compared to controls and group I and female experimental subjects.

^aSignificantly elevated compared to controls and smokers experimental subject as estimated by ANOVA followed by Bonferroni’s correction for multiple comparisons.