Table-I.
Characteristics of the individual studies included in the meta-analysis
| Cases/ |
Asthma genotypes
|
|
Asthma genotypes
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Author (Ref) | Year | Ethnicity | Controls (n) | AA | AG | GG | AA | AG | GG | |
| Laing (5) | 1998 | Caucasian | 137/68 | 26 | 67 | 44 | 5 | 26 | 37 | |
| Mansur (6) | 2002 | Caucasian | 127/67 | 14 | 57 | 56 | 8 | 31 | 28 | |
| Sengler (7) | 2003 | Caucasian | 188/118 | 15 | 91 | 82 | 12 | 50 | 56 | |
| Gui (8) | 2003 | Asian | 50/50 | 16 | 21 | 13 | 8 | 16 | 26 | |
| Sharma (9) | 2004 | Asian | 259/251 | 72 | 119 | 68 | 74 | 115 | 62 | |
| Candelaria (10) | 2005 | Caucasian | 127/801 | 23 | 66 | 38 | 81 | 386 | 334 | |
| Zhang (11) | 2009 | Caucasian | 42/561 | 5 | 21 | 16 | 77 | 249 | 235 | |
| Ku (12) | 2011 | Asian | 202/217 | 63 | 78 | 61 | 33 | 82 | 102 | |
| Chen (13) | 2012 | Asian | 277/211 | 177* | 100 | 86* | 125 | |||
| Zhang YL (14) | 2012 | Asian | 120/55 | 19 | 47 | 54 | 5 | 17 | 33 | |
* number of AA genotype and AG genotype. NA, not available