Table 1.
Study location (city) | First author (year) | Study period | No. of patients | Gender (male) n (%) | Data collection procedure | Quality* |
---|---|---|---|---|---|---|
Bandar Abbas | Ahmadian (1996) [19] | 1996-1997 | 211 | 127 (0.60) | Hospital | High |
Isfahan | Amini (2008) [20] | 2005-2007 | 1486 | 892 (0.60) | Hospital | High |
Mashhad | Ashrafzadeh (2002) [21] | 2001-2002 | 50 | 35 (0.70) | Hospital | High |
Tabriz | Barzegar (2006) [22] | 2001-2003 | 582 | 321 (0.55) | Hospital | High |
Ahvaz | Dehdashtian (2008) [23] | 2003-2008 | 94 | 54 (0.57) | Hospital | High |
Tehran | Ehsanypoor (2004) [24] | 1997-2007 | 245 | 140 (0.57) | Hospital | Medium |
Yazd | Fallah (2008) [25] | 2004-2005 | 139 | 63 (0.55) | Hospital | High |
Sanandaj | Ghotbi (2002) [26] | 2000-2001 | 115 | 70 (0.61) | Hospital | Medium |
Yazd | Golestan (2008) [27] | 2002-2005 | 100 | 59 (0.59) | Hospital | High |
Tehran | Hassanpoor (2009) [28] | 2003-2005 | 103 | 64 (0.62) | Hospital | High |
Kerman | Hosseininasab (2006) [29] | 2000-2002 | 115 | 68 (0.59) | Hospital | High |
Zanjan | Kazemi (2001) [30] | 2000-2001 | 50 | 33 (0.66) | Hospital | High |
Zahedan | Khazai (2007) [31] | 2005-2006 | 178 | 94 (0.53) | Hospital | High |
Tehran | Khodapanahandeh (2001)[32] | 2007-2008 | 107 | 64.60) | Hospital | High |
Bandar Abbas | Moayedi (2001) [33] | 2001-2002 | 181 | 112 (0.62) | Hospital | Medium |
Ilam | Mohammadi (2008) [34] | 2007-2008 | 172 | 98 (0.57) | Hospital | High |
Birjand | Namakin (2011) [35] | 2006-2007 | 145 | 84 (0.61) | Hospital | High |
Babel | Rasholi (1999) [36] | 1999-2000 | 230 | 138 (0.60) | Hospital | High |
Zanjan | Sadeghzadeh (2011) [37] | 2005-2006 | 117 | 64 (0.55) | Hospital | High |
Bushehr | Sanaidashti (2006) [38] | 2005-2006 | 102 | 64 (0.65) | Hospital | Low |
Kashan | Talebian (2006) [42] | 2001-2002 | 120 | 72 (0.60) | Hospital | Medium |
Score of STROBE checklist. Under 7.75 = excluded; among 7.75 to 15.5: low; among 15.5 to 23.5: medium; higher than 23.5: High