Frequency of asthma studies reporting ethnicity of study subjects
| Location of study | Ethnicity reported | ||
|---|---|---|---|
| Yes (%) | No (%) | Total | |
| χ2 = 28.56 with 1 degree of freedom; p<0.0001. | |||
| US | 22 (62.9) | 13 (37.2) | 35 |
| Europe | 1 (2.9) | 34 (97.1) | 35 |
| Total | 23 (32.9) | 47 (67.1) | 70 |