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Comparison of neonatal and infant SCD cohorts
| No. of subjects
|
Patient-years of observation
|
|||||||
|---|---|---|---|---|---|---|---|---|
| Cohort | Dates of enrollment | Total | SS | Total | SS | Age at entry | Uniform PCN prophylaxis | Ongoing accrual |
| Jamaica | 1973–1981 | 563 | 315 | NR | NR | Birth (NBS) | No | No |
| CSSCD | 1978–1988 | 694 | 427 | 2908 | 1781 | < 6 mo | No | No |
| Dallas | 1983–2002 | 711 | 431 | 5648 | 3571 | Birth (NBS) | Yes | Yes |
NR indicates not reported.
