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 | ||
. | . | 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.