Demographics of tissue sample donors
| Variable | Median | Range | N | % of Total |
|---|---|---|---|---|
| Age at death | ||||
| All samples (PCA, weeks) | 48.00 | 8.14–962.29 | 222 | 100 |
| Fetal samples only (PCA, weeks) | 20.00 | 8.14–41.00 | 59 | 27 |
| Postnatal samples only (months) | 3.67 | 0.033–215.20 | 163 | 73 |
| Postmortem interval (hours) | 17 | 1–41 | 222 | – |
| Sex | ||||
| Male | – | – | 136 | 61 |
| Female | – | – | 76 | 34 |
| Unknown | – | – | 10 | 5 |
| Ethnicity | – | – | ||
| Northern European | – | – | 92 | 41 |
| African American | – | – | 84 | 38 |
| Hispanic | – | – | 19 | 9 |
| Asian | – | – | 2 | 1 |
| Native American | – | – | 1 | 0.5 |
| Biracial | – | – | 1 | 0.5 |
| Unknown | – | – | 23 | 10 |
PCA, postconceptual age; —, not available.