Table 1.
Characteristics of studies included in the meta-analysis.
| Author & Year | Country | Continent | Mean age ± SD | Gender | SS | NS |
Ost genotype |
Cont genotype |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ost | Cont | GG | GC | CC | GG | GC | CC | ||||||
| Czerny et al., 2010 | Poland | Europe | 63.3 ± 5.1 | Female | L | 226 | 224 | 67 | 126 | 33 | 76 | 103 | 45 |
| Magana et al., 2008 | Mexico | America | 34.3 ± 10.2 | Female | S | 70 | 70 | 56 | 13 | 1 | 42 | 25 | 3 |
| Garnero et al., 2002 | France | Europe | 64.6 ± 8.8 | Female | L | 372 | 255 | 134 | 180 | 58 | 93 | 126 | 36 |
| Deveci et al., 2012 | Turkey | Europe | 57.0 ± 7.0 | Female | S | 201 | 155 | 127 | 50 | 24 | 93 | 31 | 31 |
| Mendez et al., 2013 | Mexico | America | 58.3 ± 6.8 | Female | S | 180 | 180 | 138 | 37 | 5 | 53 | 95 | 32 |
| Maedeb 2009 | France | Europe | 70.0 ± 7.4 | Female | S | 92 | 69 | 34 | 47 | 11 | 30 | 30 | 9 |
| Nordstrom et al., 2004 | Sweden | Europe | 75.0 ± 0.0 | Female | L | 232 | 544 | 68 | 121 | 43 | 167 | 246 | 131 |
| Lee et al., 2010 | South Korea | Asia | 12.5 ± 1.4 | Female | S | 198 | 120 | 197 | 1 | 0 | 119 | 1 | 0 |
| Korvala et al., 2010 | Finland | Europe | 20.3 ± 1.6 | Male | S | 72 | 120 | 15 | 42 | 15 | 35 | 56 | 29 |
| Dincel et al., 2008 | Turkey | Europe | 74.5 ± 8.9 | Mixed | S | 20 | 17 | 0 | 10 | 10 | 0 | 7 | 10 |
| Ferrari et al., 2004 | USA | America | 60.1 ± 9.5 | Mixed | L | 626 | 935 | 206 | 390 | 30 | 360 | 390 | 185 |
| Moffett et al., 2004 | USA | America | 73.0 ± 5.0 | Female | L | 2634 | 742 | 869 | 1272 | 493 | 245 | 354 | 143 |
Notes USA = United States of America, SD = standard deviation, SS = sample size, L = large (≥400 samples), S = small (<400 samples), NS = number of samples, Ost = osteoporosis, cont = control.