From: Association of COL9A3 trp3 polymorphism with intervertebral disk degeneration: a meta-analysis
Study ID | Year | Continent | Gender | Case | Control | ||
---|---|---|---|---|---|---|---|
Trp3 positive | Trp3 negative | Trp3 positive | Trp3 negative | ||||
Bagheri et al. [18] | 2016 | Asia | male | 12 | 21 | 2 | 21 |
female | 17 | 58 | 8 | 26 | |||
overall | 29 | 79 | 10 | 47 | |||
Solovieva et al. [14] | 2006 | Europe | male | 15 | 62 | 8 | 47 |
Kales et al. [27] | 2004 | Europe | male | 6 | 62 | 1 | 46 |
female | 3 | 34 | 4 | 51 | |||
overall | 9 | 96 | 5 | 97 | |||
Paassita et al. [17] | 2001 | Europe | unknown | 40 | 131 | 30 | 291 |
Kelempisioti et al. [30] | 2011 | Europe | overall | 43 | 249 | 52 | 194 |
Matsui et al. [28] | 2004 | America | overall | 7 | 90 | 0 | 10 |
Eskola et al. [21] | 2010 | Europe | male | 2 | 28 | 14 | 59 |
female | 7 | 29 | 17 | 64 | |||
overall | 9 | 57 | 31 | 123 | |||
Rathod et al. [22] | 2012 | Asia | male | 3 | 62 | 7 | 60 |
female | 2 | 33 | 0 | 33 | |||
overall | 5 | 95 | 7 | 93 | |||
Zhu et al. [29] | 2011 | America | male | 3 | 11 | 0 | 2 |
female | 3 | 9 | 0 | 4 | |||
overall | 6 | 20 | 0 | 6 | |||
Jim et al. [23] | 2005 | Asia | overall | 0 | 290 | 0 | 514 |
Toktas et al. [11] | 2015 | Europe | male | 5 | 70 | 0 | 25 |