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(b)
| Site | Genotype | Frequencies | P valuea | DFb | |
|---|---|---|---|---|---|
| Asthmatic patients (n = 87) | Normal subjects (n = 94) | ||||
| −1111C>T | C | 91 (52.3%) | 125 (66.5%) | 0.006 | 1 |
| T | 83 (47.7%) | 63 (33.5%) | |||
|
| |||||
| 4257G>A | G | 95 (54.6%) | 105 (55.9%) | 0.811 | 1 |
| A | 79 (45.4%) | 83 (44.1%) | |||
aChi-square test.
bDF: degree of freedom.
