Table 2. Patient Demographics of Children Labeled as Penicillin Allergic and Nonallergic in a Dual-Center Birth Cohort of 334 465 Individuals .
| Characteristic | Penicillin allergic (n = 18 015 [(5.4%]) | Penicillin nonallergic (n = 316 450 [94.6%]) |
|---|---|---|
| Sex, No. (%) | ||
| Female | 8331 (46.2) | 155 842 (49.2) |
| Male | 9684 (53.8) | 160 608 (50.8) |
| Ethnicity and race, No. (%) | ||
| Asian or Pacific Islander | 1009 (5.6) | 20 272 (6.3) |
| Hispanic | 3234 (18.0) | 69 597 (22.0) |
| Non-Hispanic Black | 1651 (9.2) | 57 947 (18.3) |
| Non-Hispanic White | 10 689 (59.3) | 137 845 (43.6) |
| Othera | 1432 (7.9) | 30 989 (9.8) |
| Primary language, No. (%) | ||
| English | 17 110 (95.0) | 292 713 (92.5) |
| Spanish | 372 (2.1) | 8554 (2.7) |
| Other | 108 (0.6) | 2391 (0.8) |
| Missing | 425 (2.4) | 12 787 (4.0) |
| Government insurance, No. (%) | 4870 (27.0) | 115 118 (36.4) |
| Chronic condition, No. (%) | 1319 (7.3) | 23 252 (7.4) |
| Age, median (IQR), y | 5.7 (3.5-8.1) | 3.6 (1.6-6.5) |
a
Other ethnicity and race included American Indian, Alaskan Native, and self-reported other.