Table 4.

Association of fimA genotypes with the quantity of P. gingivalis in patients with chronic periodontitis.

fimA Types	Positive/ Negative	N	Mean	± SEM	Median	Interquartile Range (IQR)	p-Value
I	Positive	17	2.35 × 107	1.30 × 107	4.53 × 106	1.13 × 107	0.1185
	Negative	103	1.68 × 108	7.45 × 107	1.58 × 106	9.74 × 106
Ib	Positive	6	6.27 × 106	1.61 × 106	6.56 × 106	8.12 × 106	0.1894
	Negative	114	1.55 × 108	6.74 × 107	1.35 × 106	1.02 × 107
II	Positive	55	2.09 × 108	9.76 × 107	4.61 × 106	1.26 × 107	<0.0001 *
	Negative	65	9.52 × 107	8.49 × 107	9.17 × 104	5.79 × 106
III	Positive	2	2.77 × 109	2.75 × 109	2.77 × 109	5.50 × 109	0.0385 *
	Negative	118	1.03 × 108	4.62 × 107	1.59 × 106	9.84 × 106
IV	Positive	29	1.49 × 108	1.39 × 108	2.08 × 106	6.98 × 106	0.273
	Negative	91	1.47 × 108	7.25 × 107	1.52 × 106	1.04 × 107

N: number, SEM: standard error of the mean.* p < 0.05.