Table 3. Distribution of 5 fimA types of P. gingivalis at baseline and 3 months after periodontal therapy.

fimA types	Frequency in % (number of patients)
	Nonsmokers (NS)	Smokers (SM)
	n=16	n=15
I
Baseline	87.5(14)	60(9)
3 months	93.8(15)	60(9)
II
Baseline	47.8(7)†	93.3(14) *
3 months	12.5(2)	13.3(2)
III
Baseline	18.8(3)	40(6)
3 months	18.8(3)	33.3(5)
IV
Baseline	0	0
3 months	0	0
V
Baseline	25(4)	40(6) *
3 months	18.8(3)	0

*Statistically significant difference between baseline and 3 months (Wilcoxon test; p<0.05)

†Statistically significant differences between NS and SM groups at baseline (Mann Whitney test; p<0.05)

‡Statistically significant differences between NS and SM groups at 3 months (Mann Whitney test; p<0.05)