A Systematic Review and Meta-Analysis on the Association between Hypertension and Tinnitus

Table 1

Description of the study populations included in the meta-analysis ().

First author	Year	Country	Study design	Sample size ()	Age (years)
Martines [17]	2015	Italy	Case-control	120	14–85
Park [18]	2014	South Korea	Cross-sectional	5140	≥40
Park [9]	2014	South Korea	Cross-sectional	10061	20–97
Chen [19]	2014	China	Case-control	204	NA
Sogebi [20]	2013	Nigeria	Cross-sectional	127	≥41
Mahboubi [21]	2013	American	Cross-sectional	3520	12–19
Loprinzi [22]	2013	American	Cross-sectional	473	70–85
Melo [23]	2012	Brazil	Cross-sectional	498	≥60
Fujii [8]	2011	Japan	Cross-sectional	6450 (men)	45–79
Fujii [8]	2011	Japan	Cross-sectional	7973 (women)	45–79
Nondahl [24]	2011	American	Cross-sectional	3267	21–84
Negrila-Mezei [5]	2011	Romania	Case-control	471	≥60
Günay [7]	2011	Turkey	Cross-sectional	879	18–64
Shargorodsky [25]	2010	American	Cross-sectional	14178	NA
Michikawa [26]	2010	Japan	Cross-sectional	1286	≥65
Gopinath [27]	2010	Australian	Cross-sectional	1214	NA
Lasisi [10]	2010	Nigeria	Cross-sectional	1302	≥65
de Moraes Marchiori [6]	2009	Brazil	Cross-sectional	154	45–64
Nondahl [28]	2002	American	Cross-sectional	3737	48–92
Fasce [29]	2002	Chile	Cross-sectional	2100	NA

OR was adjusted; NA: not available.