Epidemiology of gastroesophageal reflux disease in Iran: a systematic review and meta-analysis

Karimian, Mohammad; Nourmohammadi, Hassan; Salamati, Majid; Hafezi Ahmadi, Mohammad Reza; Kazemi, Fatemeh; Azami, Milad

doi:10.1186/s12876-020-01417-6

BMC Gastroenterology

Table 1 Summary of characteristics in studies into a meta-analysis

From: Epidemiology of gastroesophageal reflux disease in Iran: a systematic review and meta-analysis

Ref.	First author, Published Year	Year	Place	Population	Mean Age (±SD)	Method	Duration	Sample size			Quality
	First author, Published Year	Year	Place	Population	Mean Age (±SD)	Method	Duration	All	Male	Female	Quality
[15]	Nouraie et al., 2007	2005	Tehran	General population	36.1 ± 12.4	Questionnaire + Interview	NR	1202	505	697	Medium risk
[16]	Hatami et al., 2003	2001	Tehran	Blood Donors	37.22 ± 0.19	Questionnaire + Interview	12 M	3517	3115	402	Medium risk
[17]	Rogha et al., 2006	2004	Isfahan	General population	38.8 ± 12.9	Interview	12 M	2400	1074	1326	Medium risk
[18]	Mahmoudi et al., 2012	2001	Tehran	Medical students		Questionnaire + Interview	12 M	3008	1223	1785	Medium risk
[48]	Ehsani et al., 2007	1991	Tehran	General population		Questionnaire + Interview	NR	700	350	350	Low risk
[10]	Mostaghni et al., 2009	2006	Fars	Qashqai migrating nomad	43.1 ± 14.2	Questionnaire + Interview	12 M	717	284	433	Low risk
[32]	Aletaha et al., 2010	2005–6	Gonbad Kavoos, Kalale	General population	27.35 ± 6.1	Interview	12 M	1000			Medium risk
[33]	Nasseri- Moghaddam et al., 2008	2006	Tehran	General population	34.8 ± 13.0	Questionnaire + Interview	12 M	2057		1132	Low risk
[34]	Solhpour et al., 2008	2006	Damavand, Firoozkouh	General population	37.9 ± 14.3	Questionnaire + Interview	3 M	5733	2935	2798	Medium risk
[15]	Nouraie et al., 2007	2005	Tehran	General population		Questionnaire + Interview	6 M	2561	1083	1478	Medium risk
[35]	Saberi et al., 2010	2008–9	Kashan	Shift working nurses		Questionnaire	4 W	160			Low risk
[31]	Saberi-Firoozi M et al., 2007	2004	Shiraz	General population	49.9 ± 11.14	Questionnaire + Interview	12 M	1978	582	1396	Low risk
[19]	Somi et al., 2006	2005	Tabriz	Medical sciences studen	22.48 ± 1.98	Questionnaire + Interview	12 M	589			Medium risk
[36]	Hoseini-assal et al., 2004	2002	Shahrekord	General population	37.9 ± 14.3	Interview	12 M	4762	2045	2717	Medium risk
[20]	Pourshams et al., 2005	2002	Gonabad	General population		Interview	12 M	1066	450	616	Low risk
[21]	Bordbar et al., 2015	2013	Bandar Abbas	medical sciences students		Questionnaire	12 M	600	220	380	Medium risk
[37]	Vakhshoori et al., 2018	2010–12	Isfahan	Staff of Isfahan University of Medical Sciences	36.53	Questionnaire	3 M	4669			Low risk
[11]	Vossoughinia et al., 2014	2010	Mashhad	General population		Questionnaire	NR	1685			Low risk
[27]	Shahravan et al., 2013	2003	Sari	General population	38.4	Questionnaire	12 M	901	433	468	Medium risk
[22]	Pourhoseingholi et al., 2012	2006–7	Tehran	General population	38.7 ± 17.1	Questionnaire + Interview	3 M	18,180	9108	9072	Low risk
[38]	Mansour-Ghanaei et al., 2013	2010	Rasht	General population	38.31 ± 13.09	Questionnaire + Interview	NR	1473	453	1020	Low risk
[30]	Khodamoradi et al., 2017	2010	Fars	General population	52.6 ± 9.7	Questionnaire + Interview	12 M	9264	4276	4988	Low risk
[39]	Islami et al., 2014	2004–8	Golestan	General population	36.1 ± 12.4	Questionnaire + Interview	12 M	49,975	21,216	28,785	Low risk

SD standard deviation, NR not reported

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ISSN: 1471-230X

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