Table 1.
Characteristics of the included studies and the results of the methodological quality assessment scale
| Study | Publication year | Ethnicity | Country | Source of controls | Menopausal status | Sample size (case/control) | PPARG polymorphisms | Genotype method |
|---|---|---|---|---|---|---|---|---|
| Park et al. | 2014 | Asians | Korea | HB | Mixed status | 456/461 | rs1801282 and rs3856806 | MALDI-TOF MS |
| Martinez-Nava et al. | 2013 | Mixed populations | Mexico | PB | Mixed status | 208/220 | rs1801282 | RT-PCR |
| Wei | 2013 | Asians | China | HB | Mixed status | 216/216 | rs3856806 | MALDI-TOF MS |
| Petersen et al. | 2012 | Caucasians | Denmark | PB | Post-menopaused | 798/798 | rs1801282 | TaqMan |
| Wu et al. | 2011 | Asians | China | HB | Mixed status | 291/589 | rs1801282 and rs3856806 | RT-PCR |
| Justenhoven et al. | 2008 | Caucasians | German | PB | Mixed status | 688/724 | rs1801282 | MALDI-TOF MS |
| Gallicchio et al. | 2007 | Caucasians | USA | PB | Post-menopaused | 61/933 | rs1801282 | TaqMan |
| Wang et al. | 2007 | Caucasians | USA | PB | Post-menopaused | 488/488 | rs1801282 | TaqMan |
| Memisoglu et al. | 2002 | Mixed populations | USA | PB | Mixed status | 725/953 | rs1801282 | PCR-RFLP |
RT-PCR: real-time PCR; PCR-RFLP: polymerase chain reaction-restriction fragment length polymorphism; MALDI-TOF MS: Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry.