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Characteristics of the primary care cohort (n = 21,958)
| Characteristic | Value |
|---|---|
| Age (y), mean (SD) | 50 (18) |
| Sex, no. (%) | |
| Male | 9,550 (43) |
| Female | 12,408 (57) |
| Race, no. (%) | |
| White | 13,726 (63) |
| Black | 3,587 (16) |
| Asian | 4,605 (21) |
| Other | 40 (<1) |
| Hispanic, no. (%) | 848 (4) |
| Penicillin allergy label, no. (%) | 2,393 (11) |
