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 7 Counts, proportions and frequencies of detection of target species by country, in stages III–IV periodontitis

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

	Periodontitis stages III–IV
	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	Spain	30	0	0	0.078	30	0	0	0.078	0 (0.0)	0.237
	Albania	30	0.46 (1.42)	0.00 (0.00)		30	0.00 (0.01)	0.00 (0.00)		3 (10.0)
Porphyromonas gingivalis	Spain	30	5.28 (1.93)	5.74 (1.39)	0.559	30	18.86 (20.39)	11.04 (31.23)	0.173	27 (90.0)	0.472
	Albania	30	4.68 (2.50)	5.50 (2.10)		30	15.18 (23.08)	5.04 (16.55)		24 (80.0)
Prevotella intermedia	Spain	30	4.50 (1.97)	5.00 (1.67)	0.285	30	6.79 (12.08)	2.02 (5.57)	0.038	26 (86.7)	0.317
	Albania	30	3.84 (2.31)	4.84 (3.80)		30	2.79 (7.48)	0.43 (2.30)		23 (76.7)
Tannerella forsythia	Spain	30	2.11 (2.49)	0.00 (4.68)	0.099	30	0.65 (1.54)	0.00 (0.67)	0.096	13 (43.3)	0.052
	Albania	30	1.05 (2.16)	0.00 (0.00)		30	0.51 (1.58)	0.00 (0.00)		6 (20.0)
Parvimonas micra	Spain	30	0.32 (1.24)	0.00 (0.00)	0.402	30	0.08 (0.37)	0.00 (0.00)	0.379	2 (6.7)	0.671
	Albania	30	0.66 (1.73)	0.00 (0.00)		30	0.33 (1.10)	0.00 (0.00)		4 (13.3)
Fusobacterium nucleatum	Spain	30	4.29 (1.74)	4.95 (1.33)	0.593	30	2.19 (2.52)	1.24 (2.69)	0.329	27 (90.0)	1.000
	Albania	30	4.11 (1.84)	4.84 (1.44)		30	2.38 (4.18)	0.84 (2.28)		26 (86.7)
Campylobacter rectus	Spain	30	0.64 (1.67)	0.00 (0.00)	0.175	30	0.21 (0.60)	0.00 (0.00)	0.147	4 (13.3)	0.353
	Albania	30	0.16 (0.91)	0.00 (0.00)		30	0.02 (0.14)	0.00 (0.00)		1 (3.3)
Eikenella corrodens	Spain	30	1.07 (2.00)	0.00 (1.00)	0.065	30	0.29 (1.02)	0.00 (0.02)	0.092	7 (23.3)	0.058
	Albania	30	2.16 (2.41)	0.00 (0.00)		30	2.65 (12.75)	0.00 (0.36)		14 (76.7)
Capnocytophaga spp.	Spain	30	1.38 (2.18)	0.00 (4.00)	0.408	30	0.36 (1.00)	0.00 (0.28)	0.398	9 (30.0)	0.371
	Albania	30	0.94 (1.93)	0.00 (0.00)		30	0.27 (0.93)	0.00 (0.00)		6 (20.0)
Actinomyces odontolyticus	Spain	30	0	0	1.000	30	0	0	1.000	0 (0.0)	1.000
	Albania	30	0	0		30	0	0		0 (0.0)

n, sample size; SD, standard deviation; IQR, interquartile range; n (%), number and percentage of positive samples
^aMann–Whitney test
^bChi-square test
^cMean of log-transformed counts

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