Table 1. Characteristics of studies included in the meta-analysis.
First author | Year | Country | Ethnicity | Source of control | Genotyping method | Cases/controls | Genes | Polymorphisms | NOS, total scores |
---|---|---|---|---|---|---|---|---|---|
Bayramoglu | 2009 | Turkey | Asian | HB | PCR-RFLP | 200/100 | MMP9 | –1562 C/T | 6 |
Bayramoglu | 2011 | Turkey | Asian | HB | PCR-RFLP | 200/100 | MMP2 | –1306 C/T | 6 |
Fakhoury | 2012 | Lebanon | Caucasian | PB | PCR-RFLP | 41/51 | MMP1 | –1607 1G/2G | 8 |
Fang | 2005 | China | Asian | PB | PCR-RFLP | 243/350 | MMP3 | –1171 5A/6A | 8 |
Gonzalez-Arriaga | 2012 | Spain | Caucasian | HB | PCR-RFLP | 716/534 | MMP3, MMP9 | –1171 5A/6A, –1562 C/T |
6 |
Gonzalez-Arriaga | 2008 | Spain | Caucasian | HB | PCR-RFLP | 501/510 | MMP1, MMP13 | –1607 1G/2G, –77 A/G |
7 |
Hart | 2011 | Norway | Caucasian | PB | TaqMan | 436/434 | MMP1 | –1607 1G/2G | 9 |
Hu | 2005 | China | Asian | PB | PCR-RFLP | 744/747 | MMP9 | R279Q | 8 |
Jia | 2009 | China | Asian | PB | PCR-RFLP | 370/436 | MMP2 | –735 C/T | 8 |
Liu | 2011 | China | Asian | PB | PCR-RFLP | 825/825 | MMP1 | –1607 1G/2G | 9 |
Lu | 2017 | China | Asian | PB | PCR-RFLP | 260/219 | MMP7 | –181 A/G | 8 |
Peng | 2010 | China | Asian | PB | PCR-RFLP | 420/419 | MMP12, MMP13 | –82 A/G, –77 A/G | 8 |
Rollin | 2007 | France | Caucasian | HB | PCR-RFLP | 90/90 | MMP2, MMP9 | –1306 C/T, –735 C/T, –1562 C/T | 7 |
Sanli | 2013 | Turkey | Asian | PB | PCR-RFLP | 132/80 | MMP7 | –181 A/G | 7 |
Song | 2007 | China | Asian | PB | PCR-RFLP | 163/148 | MMP2 | –1306 C/T | 8 |
Su | 2006 | USA | Caucasian | PB | TaqMan | 2,014/1,323 | MMP1, MMP3, MMP12 | –1607 1G/2G, –1171 5A/6A, –82 A/G | 7 |
Wang | 2013 | China | Asian | PB | PCR-RFLP | 300/300 | MMP12 | –82 A/G | 8 |
Wang | 2013 | China | Asian | PB | PCR-RFLP | 300/300 | MMP13 | –77 A/G | 8 |
Yu | 2002 | China | Asian | PB | PCR-DHPLC | 781/852 | MMP2 | –1306 C/T | 8 |
Zhang | 2005 | China | Asian | PB | PCR-RFLP | 243/350 | MMP7 | –181 A/G | 8 |
Zhang | 2006 | China | Asian | PB | PCR-RFLP | 150/200 | MMP1 | –1607 1G/2G | 8 |
Zhao | 2007 | China | Asian | PB | PCR-RFLP | 50/50 | MMP9 | R279Q | 8 |
Zhou | 2005 | China | Asian | PB | PCR-RFLP | 770/777 | MMP2 | –735 C/T | 8 |
Zhang | 2005 | China | Asian | PB | PCR-RFLP | 150/200 | MMP9 | –1562 C/T | 8 |
HB, hospital-based; PB, population-based; PCR-RFLP, polymerase chain reaction-restriction fragment length polymorphism; PCR-DHPLC, polymerase chain reaction-denaturing high-performance liquid chromatography.