Occurrence and quantification of Anelloviruses and Herpesviruses in gingival tissue in Chinese Shanghai sub-population

Table 4 Coexistence of herpesviruses and anelloviruses in three groups

Coexistence nested-PCR	aggressive periodontitis positive n (%)	chronic periodontitis positive n (%)	healthy positive n (%)	P
EBV + HCMV	1 (1.8)	5 (8.5)	0	0.804^**
EBV + TTV	24 (42.1)	25 (42.4)	3 (7)	<0.001^*
EBV + TTMV	22 (38.6)	27 (45.8)	5 (11.6)	0.001^*
EBV + TTMDV	19 (33.3)	25 (42.4)	2 (4.7)	<0.001^*
HCMV+TTV	3 (5.3)	6 (10.2)	1 (2.3)	0.644^**
HCMV+TTMV	3 (5.3)	7 (11.9)	1 (2.3)	0.683^**
HCMV+TTMDV	3 (5.3)	7 (11.9)	1 (2.3)	0.683^**
TTV + TTMV	50 (87.7)	48 (81.4)	17 (39.5)	<0.001^*
TTV + TTMDV	42 (73.7)	41 (69.5)	14 (32.6)	<0.001^*
TTMV+TTMDV	42 (73.7)	45 (76.3)	15 (34.9)	<0.001^*
TTV + TTMV+TTMDV	41 (71.9)	41 (69.5)	13 (30.2)	<0.001^*

*Chi-squared test
**Fisher’s exact test
#Abbreviations:PCR polymerase chain reaction, n number of participants, HCMV Human cytomegalovirus, EBV Epstein–Barr virus, TTV Torque teno virus, TTMV Torque teno mini virus, TTMDV Torque teno midi virus

ISSN: 1472-6831