The subgingival cultivable bacteria of Albanian subjects with different periodontal status compared to a similar population of Spanish subjects: a case control study

Tafaj, Gerila; Iniesta, Margarita; Sanz, Mariano; Herrera, David

doi:10.1186/s12903-022-02121-5

Table 9 Counts, proportions and frequencies of detection of target bacterial species by periodontal status

From: The subgingival cultivable bacteria of Albanian subjects with different periodontal status compared to a similar population of Spanish subjects: a case control study

	Country	Counts^a				Proportions^a				Frequency^b
	Country	n	Mean^c (SD)	Median (IQR)	p value	n	Mean (SD)	Median (IQR)	p value	n (%)	p value
Aggregatibacter actinomycemcomitans	Health/gingivitis	55	0.08 (0.65)	0.00 (0.00)	0.191	55	0.06 (0.50)	0.00 (0.00)	0.194	1 (1.8)	0.243
	Periodontitis I–II	58	0	0		58	0	0		0 (0.0)
	Periodontitis II-IV	60	0.23 (1.02)	0.00 (0.00)		60	0.00 (0.00)	0.00 (0.00)		3 (5.0)
Porphyromonas gingivalis	Health/gingivitis	55	2.58 (2.38)	3.47 (4.34)	0.000*	55	7.40 (16.02)	0.12 (3.51)	0.000*	32 (58.2)	0.000*
	Periodontitis I–II	58	4.81 (1.86)	5.14 (1.48)	0.564^†	58	14.41 (18.26)	6.89 (20.03)	1.000^†	52 (89.7)	1.000^†
	Periodontitis III–IV	60	4.98 (2.23)	5.70 (1.70)	0.000^‡	60	17.02 (21.67)	8.41 (24.46)	0.000^‡	51 (85.0)	0.003^‡
Prevotella intermedia	Health/gingivitis	55	1.97 (2.13)	2.00 (3.85)	0.000*	55	4.11 (13.94)	0.00 (0.50)	0.007*	28 (50.9)	0.003*
	Periodontitis I–II	58	3.68 (1.99)	4.30 (1.75)	0.220^†	58	1.95 (4.02)	0.63 (1.34)	0.744^†	47 (81.0)	1.000^†
	Periodontitis III–IV	60	4.17 (2.16)	4.92 (1.57)	0.000^‡	60	4.79 (10.17)	0.87 (3.11)	0.000^‡	49 (81.7)	0.000^‡
Tannerella forsythia	Health/gingivitis	55	0.70 (1.62)	0.00 (0.00)	0.048*	55	0.29 (1.56)	0.00 (0.00)	0.048*	8 (14.5)	0.042*
	Periodontitis I–II	58	1.65 (2.31)	0.00 (4.63)	1.000^†	58	0.31 (0.50)	0.00 (0.62)	1.000^†	20 (34.5)	1.000^†
	Periodontitis III–IV	60	1.58 (2.37)	0.00 (4.48)	0.078^‡	60	0.58 (1.50)	0.00 (0.51)	0.099^‡	19 (31.7)	0.090^‡
Parvimonas micra	Health/gingivitis	55	0.58 (1.55)	0.00 (0.00)	0.091	55	0.92 (5.12)	0.00 (0.00)	0.054	8 (14.5)	0.045*
	Periodontitis I–II	58	0.09 (0.69)	0.00 (0.00)		58	0.24 (1.90)	0.00 (0.00)		1 (1.7)	0.342^†
	Periodontitis III–IV	60	0.49 (1.50)	0.00 (0.00)		60	0.21 (0.82)	0.00 (0.00)		6 (10.0)	1.000^‡
Fusobacterium nucleatum	Health/gingivitis	55	3.80 (1.45)	4.30 (1.00)	0.012*	55	3.23 (4.53)	1.74 (3.16)	0.241	50 (90.9)	0.666
	Periodontitis I–II	58	4.16 (1.68)	4.69 (1.09)	1.000^†	58	2.08 (2.74)	1.12 (3.05)		51 (87.9)
	Periodontitis III–IV	60	4.20 (1.78)	4.90 (1.30)	0.001^‡	60	2.28 (3.43)	1.08 (2.56)		53 (88.3)
Campylobacter rectus	Health/gingivitis	55	0.20 (0.88)	0.00 (0.00)	0.737	55	0.07 (0.88)	0.00 (0.00)	0.787	3 (5.5)	0.566
	Periodontitis I–II	58	0.39 (1.31)	0.00 (0.00)		58	0.49 (3.27)	0.00 (0.00)		5 (8.6)
	Periodontitis III–IV	60	4.40 (1.35)	0.00 (0.00)		60	0.12 (0.44)	0.00 (0.00)		5 (8.3)
Eikenella corrodens	Health/gingivitis	55	0.62 (1.34)	0.00 (2.25)	0.386*	55	0.06 (0.15)	0.00 (0.00)	0.089	10 (18.2)	0.128
	Periodontitis I–II	58	1.19 (1.98)	0.00 (3.38)	0.832^†	58	0.20 (0.53)	0.00 (0.02)		16 (27.6)
	Periodontitis III–IV	60	1.61 (2.26)	0.00 (4.00)	0.028^‡	60	0.47 (9.04)	0.00 (0.22)		21 (35.0)
Capnocytophaga spp.	Health/gingivitis	55	0.56 (1.38)	0.00 (0.00)	0.059	55	0.20 (0.80)	0.00 (0.00)	0.097	8 (14.5)	0.125
	Periodontitis I–II	58	0.45 (1.35)	0.00 (0.00)		58	0.07 (0.27)	0.00 (0.00)		6 (10.3)
	Periodontitis III–IV	60	1.16 (2.05)	0.00 (2.70)		60	0.31 (0.96)	0.00 (0.09)		15 (25.0)
Actinomyces odontolyticus	Health/gingivitis	55	0.17 (0.88)	0.00 (0.00)	0.326	55	0.28 (1.49)	0.00 (0.00)	0.326	2 (3.6)	0.137
	Periodontitis I–II	58	0.06 (0.48)	0.00 (0.00)		58	0.00 (0.00)	0.00 (0.00)		1 (1.7)
	Periodontitis III–IV	60	0	0		60	0	0		0 (0.0)

n, sample size; SD, standard deviation; IQR, interquartile range; n (%), number and percentage of positive samples
^aKruskal–Wallis test
^bChi-square with Bonferroni correction
^cMean of log-transformed counts
*Periodontal health/gingivitis group versus periodontitis I–II group
^†Periodontitis I–II group versus periodontitis III–IV group
^‡Periodontal health/gingivitis group versus periodontitis III–IV group

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ISSN: 1472-6831

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