Oral manifestations of hepatitis C virus infection

Table 4 Prevalence of hepatitis C virus infection in patients with Sjögren’s syndrome

Country	Ref.	n	SjS Diagnostic Criteria	HCVve+ (%)
France	de Bandt[61]	20	NA	10
	Loustaud-Ratti et al[56]	26	NA	8
	Mariette et al[62]	20	1Fox I	10
	Barrier et al[63]	22	NA	9
	Vidal et al[64]	28	1Fox I	14
	Wattiaux et al[65]	109	European	3
	Boscagli et al[50]	23	NA	5
	Jorgensen et al[66]	62	European	19
Germany	Potthoff et al[67]	73	2AECG	18
Greece	Vitali et al[68]	22	Vitali	5
Hungary	Szodoray et al[69]	213	European	6
India	Wanchu et al[70]	23	European	4.4
Italy	Aceti et al[71]	26	1Fox I	0
	Vitali et al[68]	44	Vitali	5
	Frisoni et al[72]	26	NA	4
	Ceribelli et al[73]	305	2AECG	3
Japan	Masaki et al[74]	98	NA	11
Spain	García-Carrasco et al[75]	90	European	14
	Coll et al[76]	31	European	10
	Fernandez-Campillo et al[77]	26	European	19
	Selva-O’Callaghan et al[78]	98	European	7
Sweden	Verbaan et al[52]	53	Copenhagen	2
United Kingdom	Porter et al[79]	18	European	0
United States	King et al[80]	44	NA	0
United States	Marrone et al[81]	100	3Fox II	1

Modified from Carrozzo[6].

¹Fox et al[82]. In contrast to the Fox (San Diego) classification system, the European-proposed (including Vitali and Copenhagen) criteria can be fulfilled without a requirement for histologic or serologic abnormality;

²American-European Consensus Guidelines (AECG) (Vitali et al[83]): in this classification the presence of HCV is considered an exclusion criterion for SjS;

³Fox and Saito[84]: The last Fox classification excludes patients with a history of pre-existing diseases such as hepatitis C, lymphoma, sarcoidosis, or other causes of lymphocytic infiltrative disease. SjS: Sjögren’s syndrome; HCV: Hepatitis C virus; NA: Not available.