| 因素 | 哮喘组 (n = 29) | 非哮喘组 (n = 98) | P值 | |
| 性别 | 男性 | 16 (55.2%) | 41 (41.8%) | 0.2047 |
| 女性 | 13 (54.8%) | 57 (58.2%) | ||
| 年龄 | <6月龄 | 17 (58.6%) | 56 (57.1%) | 0.8875 |
| ≥6月龄 | 12 (41.4%) | 42 (42.9%) | ||
| 毛细支气管炎 | 轻型 | 11 (37.9%) | 60 (61.2%) | 0.0265 |
| 重型 | 18 (62.1%) | 38 (38.8%) | ||
| RSV感染 | 有 | 22 (75.9%) | 80 (81.6%) | 0.4924 |
| 无 | 7 (24.1%) | 18 (18.4%) | ||
| 父母哮喘史 | 有 | 20 (69.0%) | 36 (36.7%) | 0.0021 |
| 无 | 9 (31.0%) | 62 (63.3%) | ||
| 父母吸烟史 | 有 | 21 (72.4%) | 82 (83.7%) | 0.1737 |
| 无 | 8 (27.6%) | 16 (16.3%) | ||
| 母乳喂养时间 | <6个月 | 17 (58.6%) | 29 (29.6%) | 0.0043 |
| ≥6个月 | 12 (41.4%) | 69 (70.4%) | ||