Donor metadata
| Cohort . | Term (PA) . | Preterm (PA) . | Longitudinal (PA) . | Two infants (CA) . | Pasteurization (PA) . |
|---|---|---|---|---|---|
| Donor age (years) | 32.5 ± 4.2 (29–40) (unknown for 11 donors) | 32.5 ± 4.5 (19–38) | 33.7 ± 4.3 (29–40) (unknown for one donor) | 31.7 ± 3.9 (22–39) (includes age of first and second infant) | 30.5 ± 8.3 (19–39) |
| Estimated gestation age of infant at delivery (weeks) | 39.6 ± 1.1 (37–41) | 30.7 ± 3.1 (25–35) | 37.9 ± 3.4 (32–41) | 38.2 ± 3.4 (25–42) (includes both infants) | 36.5 ± 4.4 (30–39) |
| Time after delivery of sample collection (days) | 74.9 ± 79.6 (14–276) | 55.6 ± 100.3 (4–330) | 18 ± 11.2 (3–42) | 258.3 ± 157.6 (44–688) (includes both infants) | 7.5 ± 1 (7–9) |
| Race of donor | 100% Caucasian | 93% Caucasian, 7% Black | 100% Caucasian | 20% Caucasian, 40% Black, 40% Asian | 100% Caucasian |
| Ethnicity of donor | Unknown | Unknown | Unknown | 40% Hispanic | Unknown |
| Cohort . | Term (PA) . | Preterm (PA) . | Longitudinal (PA) . | Two infants (CA) . | Pasteurization (PA) . |
|---|---|---|---|---|---|
| Donor age (years) | 32.5 ± 4.2 (29–40) (unknown for 11 donors) | 32.5 ± 4.5 (19–38) | 33.7 ± 4.3 (29–40) (unknown for one donor) | 31.7 ± 3.9 (22–39) (includes age of first and second infant) | 30.5 ± 8.3 (19–39) |
| Estimated gestation age of infant at delivery (weeks) | 39.6 ± 1.1 (37–41) | 30.7 ± 3.1 (25–35) | 37.9 ± 3.4 (32–41) | 38.2 ± 3.4 (25–42) (includes both infants) | 36.5 ± 4.4 (30–39) |
| Time after delivery of sample collection (days) | 74.9 ± 79.6 (14–276) | 55.6 ± 100.3 (4–330) | 18 ± 11.2 (3–42) | 258.3 ± 157.6 (44–688) (includes both infants) | 7.5 ± 1 (7–9) |
| Race of donor | 100% Caucasian | 93% Caucasian, 7% Black | 100% Caucasian | 20% Caucasian, 40% Black, 40% Asian | 100% Caucasian |
| Ethnicity of donor | Unknown | Unknown | Unknown | 40% Hispanic | Unknown |
Errors (±) represent SD. Number in brackets indicate range. Metadata was not collected from all donors, as indicated. (PA = samples from Pittsburgh, PA; CA = samples from San Diego, CA.)