Table 1 Characteristics of the included studies
Reference | Year | Ethnicity | Country | Position | Sample Size | Female ratio(%) | Mean age (years) | Mean BMI(kg/m2) | Method | NOS | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Case | Control | Case | Control | Case | Control | Case | Control | |||||||
Senolt [29] | 2006 | Caucasians | Czech Republic | Knee | 21 | 23 | 73.9 | 73.9 | 66.15 | 58.13 | 27.1 | 25.5 | ELISA | 7 |
Filkova(a) [30] | 2009 | Caucasians | Czech Republic | Hand | 27 | 20 | 100.0 | 100.0 | NA | NA | NA | NA | ELISA | 6 |
Filkova(b) [30] | 2009 | Caucasians | Czech Republic | Hand | 48 | 20 | 100.0 | 100.0 | NA | NA | NA | NA | ELISA | 6 |
Tan [21] | 2009 | Asians | China | Knee | 35 | 20 | 85.7 | 85.0 | 50.1 | 45.9 | 19.3 | 20.1 | ELISA | 7 |
Honsawek [22] | 2010 | Asians | Thailand | Knee | 76 | 24 | 81.6 | 79.2 | 69.8 | 71.2 | 26.1 | 25.5 | ELISA | 7 |
De Boer [31] | 2012 | Caucasians | Netherlands | Knee | 172 | 132 | 69.2 | 74.2 | 67.4 | 56.5 | 29.5 | 28.1 | ELISA | 8 |
Choe(a) [23] | 2012 | Asians | Korea | Hand | 50 | 46 | NA | NA | 61.6 | 57.6 | 24.1 | 23.9 | ELISA | 8 |
Choe(b) [23] | 2012 | Asians | Korea | Hand | 60 | 46 | NA | NA | 63.5 | 57.6 | 24.1 | 23.9 | ELISA | 8 |
Wang [32] | 2014 | Asians | China | Knee | 64 | 19 | 73.4 | 73.6 | 62.4 | 39.1 | 26.1 | 25.5 | ELISA | 8 |
Liu [33] | 2015 | Asians | China | Knee | 71 | 31 | 31.0 | 35.5 | 46.7 | 44.9 | 26.1 | 25.9 | ELISA | 8 |
Cuzdan Coskun(a] [14] | 2015 | Caucasians | Turkey | Knee | 30 | 25 | 90.0 | 52.0 | 67.0 | 43.1 | 23.4 | 27.5 | ELISA | 6 |
Cuzdan Coskun(b) [14] | 2015 | Caucasians | Turkey | Knee | 30 | 25 | 100..0 | 52.0 | 64.5 | 43.1 | 33.6 | 27.5 | ELISA | 6 |
Tootsi [34] | 2016 | Caucasians | Estonia | Knee and Hip | 70 | 70 | 50.0 | 48.6 | 62.0 | 60.0 | 28.0 | 26.0 | ELISA | 7 |