Table 1 Characteristics of studies included in this meta-analysis
First author, year | Country | Ethnicity | Age, year (mean or range) | Cancer phenotype | Case/Control | AhR polymorphisms examined in the study |
|---|---|---|---|---|---|---|
Zhang DS, 2002 [5] | China | Asian (Chinese) | Case:NM Con:NM | Bladder cancer | 61/183 | 1 |
Gu A, 2012 [12] | China | Asian (Chinese) | Case:62.4 Con:61.5 | Glioma | 378/382 | 1, 4, 5, 8, 9, 10 |
Chen D, 2009 [13] | China | Asian (Chinese) | Case:59.27 Con: 59.98 | Lung cancer | 500/517 | 1, 2, 3, 4, 5, 6, 7, 8 |
Kawajiri K, 1995 [14] | Japan | Asian | Case:NM Con:NM | Lung cancer | 321/277 | 1 |
Sangrajrang S, 2009 [18] | Thailand | Asian | Case:46.0 Con:43.2 | Breast cancer | 557/482 | 1 |
Sierra-Martinez M, 2018 [19] | Mexico | South American | Case:30-77 Con:30-77 | Breast cancer | 95/106 | 1 |
Long JR, 2006 [20] | China | Asian (Chinese) | Case:47.6 Con: 47.0 | Breast cancer | 1040/1099 | 1 |
Le Marchand L, 2005 [21] | USA | Mixed | Case:60.8 Con:58.3 | Breast cancer | 1339/1370 | 1 |
Budhwar S, 2018 [22] | India | Asian | Case:57.87 Con: 52.14 | Lung cancer | 297/320 | 1, 3, 13, 15 |
Cauchi S, 2001 [23] | France | Caucasian | Case:59.38 Con: 58.67 | Lung cancer | 177/162 | 1, 16 |
Kim JH, 2007 [24] | Korea | Asian | Case:65.3 Con:65.3 | Lung cancer | 616/616 | 1, 2, 11 |
Pérez-Morales R, 2014 [25] | Mexico | South American | Case:58.3 Con: 39.9 | Lung cancer | 190/382 | 1 |
Figueroa JD, 2008 [26] | Spanish | Caucasian | Case: 66 Con:NM | Bladder cancer | 1091/1031 | 1, 2, 11 |
Cotterchio M, 2008 [27] | Canada | Caucasian | Case:20-74 Con: NM | Colorectal cancer | 834/1246 | 1 |
De Roos AJ, 2006 [28] | USA | Mixed | Case:20-74 Con:20-74 | Lymphoma | 1128/938 | 1 |
Ng CH, 2010 [29] | Canada | Mixed | Case:20-79 Con:20-79 | Lymphoma | 797/791 | 1, 11, 12, 13, 14 |
Guo J, 2005 [30] | China | Asian (Chinese) | Case:≥16 Con: ≥16 | Acute leukemia | 136/136 | 1 |