An association between Helicobacter pylori and upper respiratory tract disease: Fact or fiction?

Table 2 Detection of Helicobacter pylori in investigations of relationships between Helicobacter pylori and adenoiditis/adenoid hyperplasia

Ref.	Patients(n)	Samples	Methods	Positive results
Unver et al[73]	12	Adenoid tissue	Urease test	25%
Khademi et al[74]	56	Adenotonsillar tissue	Urease test	48%
Farhadi et al[75]	40	Adenoid tissue	PCR	15%
		Blood	ELISA (IgG)	20%
			ELISA (IgA)	17.5%
Eyigor et al[76]	47	Adenotonsillar tissue	Urease test	5.5%
			PCR	0%
Cirak et al[77]	10	Adenoid tissue	PCR	30%
Abdel-Monem et al[80]	10	Adenoid tissue	Urease test	40%
			PCR	20%
		Blood	ELISA	20%
Bulut et al[81]	71	Adenotonsillar tissue	Urease test	13.6%
			PCR	24.6%
Vilarinho et al[82]	55	Adenoid tissue	Urease test	3.6%
			IHC	0%
			FISH	0%
			PCR	0%
Hussey et al[83]	78	Adenoid tissue	PCR	0%
			Histology	0%
Vayisoglu et al[84]	60	Adenoid tissue	Urease test	3.3%
			IHC	3.3%
		Blood	ELISA (IgG)	13.3%
			ELISA (IgA)	3.3%
Bitar et al[85]	25	Adenoid tissue	Urease test	84%
			Histology	16%
			PCR	0%
Bitar et al[86]	18	Adenoid tissue	Urease test	72.2%
			PCR	0%
Pitkäranta et al[87]	20	Adenoid tissue	Culture	0%
		Fecal samples	ELISA	20%
Toros et al[88]	84	Adenoid tissue	Urease test	0%
			Histology	0%
Ozcan et al[89]	19	Adenoid tissue	Urease test	0%
			IHC	0%
Fancy et al[90]	45	Adenoid tissue	PCR	22.2%
Yilmaz et al[91]	42	Adenoid tissue	Culture	28.6%
			PCR	47.6%
Yilmaz et al[92]	38	Adenoid tissue	PCR	2.6%
Agirdir et al[93]	30	Adenoid tissue	Urease test	33.3%
Park et al[96]	62	Adenoid tissue	PCR	14.5%

ELISA: Enzyme-linked immunosorbent assay; FISH: Fluorescence in situ hybridization; IHC: Immunohistochemistry; PCR: Polymerase chain reaction.