Author | Year | Country | Ethnicity | Controls source | Mean age of control group | Cases, n | Controls, n |
---|---|---|---|---|---|---|---|
Manolitsas [36] | 1997 | England | Caucasian | population-based | – | 292 | 220 |
Lancaster [25] | 1998 | America | Caucasian | hospital-based | – | 68 | 101 |
Wang-Gohrke [23] | 2000 | Germany | Caucasian | population-based | 42.9 | 559 | 554 |
Fabjani [24] | 2002 | Austria | Caucasian | population-based | – | 155 | 106 |
Donaldson [26] | 2002 | America | Caucasian | population-based | – | 23 | 60 |
Donaldson [26] | 2002 | America | African-American | population-based | – | 61 | 81 |
Linhares [37] | 2005 | Brazil | Latino | population-based | – | 50 | 49 |
Romano [38] | 2007 | Netherlands | Caucasian | hospital-based | – | 167 | 31 |
Surekha [39] | 2009 | India | Indian | population-based | – | 250 | 249 |
Gallegos-Arreola [22] | 2015 | Mexico | Indo - European mixed race | population-based | 53.64 | 481 | 209 |