Table 1: The characteristics of the studies included in this study.
Study | Year | Location | Sample | Study design | Gender (female:male) | MINORS Score |
Yang et.al | 2009 | China | 69 | R | 39:30 | 17 |
Esmaili et.al | 2006 | Iran | 70 | P | NA | 20 |
Boskovic et.al | 2014 | Serbia | 109 | R | NA | 16 |
Rastogi et.al | 2009 | India | 49 | R | 39:10 | 17 |
Russo et.al | 2016 | United States | 316 | R | 159:157 | 16 |
Tolia et.al | 1986 | United States | 28 | U | NA | 14 |
Dehghani et.al | 2006 | Iran | 65 | P | 34:31 | 16 |
Mowat et.al | 1976 | UK | 137 | P | NA | 18 |
Guelrud et.al | 1991 | Venezuela | 57 | P | 23:34 | 16 |
Faweya et.al | 1991 | Iran | 70 | P | NA | 17 |
Jensen et.al | 2012 | United States | 128 | R | 53:75 | 19 |
Yachha et.al | 1996 | India | 96 | P | NA | 15 |
Park et.al | 1997 | S.Korea | 73 | P | NA | 18 |
Poddar et.al | 2009 | India | 101 | P | 19:82 | 21 |
Cox et.al | 1987 | United States | 33 | P | 14:19 | 18 |
Ferry et.al | 1985 | United States | 143 | R | 59:84 | 17 |
Hays et.al | 1967 | United States | 132 | R | NA | 14 |
Lai et.al | 1994 | Taiwan | 126 | P | 78:48 | 16 |
Manolaki et.al | 1983 | UK | 86 | U | 39:47 | 15 |
Wongsawasdi et.al | 2008 | Thailand | 61 | P | 34:27 | 16 |