Table 2.

Median concentrations of salivary pathogens in subgroups of pathogen-positive subjects divided according to periodontal parameters.

	Concentration, median (IQR)
	Pg (GE/ml)	Tf (GE/ml)	Pi (GE/ml)	Aa (GE/ml)
NUMBER OF SITES WITH PPD 4–5 mm
0	425 (1390)	19,600 (198,000)	681 (47,600)	320 (-)
1–6	338 (25,800)	26,700 (196,000)	8115 (57,000)	2330 (41,700)
7–16	3640 (83,500)	100,000 (960,000)	6360 (144,000)	2280 (14,200)
17–	12,000 (222,000)	103,000 (652,000)	42,300 (697,000)	539 (1600)
	p < 0.001	p = 0.01	p = 0.20	p = 0.25
NUMBER OF SITES WITH PPD ≥ 6 mm
0	499 (7710)	25,700 (309,000)	4250 (38,000)	939 (8820)
1–3	12,000 (60,100)	107,289 (852,000)	7830 (340,000)	627 (1950)
4–6	48,200 (931,000)	60,745 (329,000)	180,000 (836,000)	3710 (11,100)
7–	32,000 (364,000)	284,000 (1,570,000)	53,500 (833,000)	808 (2580)
	p < 0.001	p < 0.001	p < 0.01	p = 0.70
BLEEDING ON PROBING, %, TERTILES
0–26	639 (16,900)	41,631 (303,000)	4250 (107,000)	664 (28,000)
27–44	1200 (31,000)	33,100 (738,000)	21,500 (288,000)	3170 (7980)
45–100	30,300 (317,000)	88,000 (708,000)	7140 (205,000)	404 (1540)
	p < 0.001	p = 0.03	p = 0.36	p = 0.31
ALVEOLAR BONE LOSS
None	464 (2320)	31,400 (246,000)	5420 (21300)	519 (2300)
Mild	1240 (45,700)	39,400 (308,000)	3260 (118,000)	1420 (13,000)
Moderate	21,500 (174,000)	103,000 (952,000)	46,300 (401,000)	843 (8140)
Severe—total	291,000 (884,000)	634,000 (2,390,000)	519,000 (1,790,000)	300 (4040)
	p < 0.001	p < 0.001	p = 0.01	p = 0.77
NO. OF TEETH + IMPLANTS
1–10	2030 (7790)	25,300 (242,000)	55,900 (864,000)	356 (1070)
11–20	32,600 (292,000)	66,100 (1,180,000)	21,500 (533,000)	8470 (47,900)
21–25	3540 (70800)	117,000 (646,000)	5850 (225,000)	808 (8980)
26–	438 (9530)	31,400 (373,000)	4040 (45,800)	797 (1720)
	p < 0.001	p = 0.34	p < 0.01	p = 0.59

PPD, pocket probing depth; IQR, interquartile range.

P-values were obtained by Jonckheere-Terpstra test.

Significant p-values are presented in bold face.