Table 1 Characteristics of the 16 studies included in the meta-analysis
Authors | Year of publication | Country | Host ethnicity | Age, years Mean ± SD or Mean (Range) | Samples n | Genotyping method | ||
|---|---|---|---|---|---|---|---|---|
Cases | Controls | Cases | Controls | |||||
Jahantigh, et al. | 2013 | Iran | Iranian population, Zahedan | 51.1 ± 20 | 48.4 ± 14.7 | 124 | 149 | PCR-RFLP |
Kobayashi, et al. | 2012 | Indonesian | Javanese or Sundanese–Javanese | 41.6 (16-92) | - | 538 | 560 | PCR-DNA chip |
Vietnam | Kinh | 37.4 (15-60) | - | 277 | 458 | PCR-DNA chip | ||
Olesen, et al. | 2007 | West African | West African | 37.25 | 38.12 | 321 | 347 | PCR-TaqMan SNP assays |
Sa’nchez, et al. | 2012 | Colombia | Colombia population, Medellin | 39 (26–51) | 42 (25–54) | 466 | 300 | MALDI-TOF mass spectrometer |
Yang, et al. | 2013 | China | Chinese | - | - | 200 | 200 | PCR-CHIP |
Selvaraj, et al. | 2010 | India | south Indian population, | 34.92 ± 11.42 | 32.33 ± 9.75 | 206 | 212 | PCR-RFLP |
Diana, et al. | 2013 | Mexico | Mexican Mazatecan | 46.9 ± 17.8 | 42.9 ± 15.9 | 90 | 90 | PCR-TaqMan assays |