Characteristics of participants
| . | <32 wk GA (n = 7) . | 32-36 wk GA (n = 25) . | 37-41 wk GA (n = 10) . | 28d-2a (n = 8) . | 2a-13 a (n = 5) . | >13a (n = 9) . |
|---|---|---|---|---|---|---|
| GA/age (range) | 27 + 1 wk to 31 + 3 wk | 32 + 5 wk to 35 + 3 wk | 37 + 1 wk to 41 + 2 wk | 2 mo to 13 mo | 3a-12a | 24a-51a |
| Birth weight (g) | 1480 (1083-1685) | 2100 (1935-2300) | 3480 (3106-3641) | — | — | — |
| SGA (%) | 14.3 | 8.0 | 10 | — | — | — |
| Leukocytes (/nL) | 10.78 (10.40-11.64) | 11.86 (8.31-14.08) | 21.51 (17.91-23.47) | 9.91 (8.10-13.81) | 7.29 (6.90-7.90) | 5.80 (5.62-5.94) |
| Erythrocytes (/μL) | 4.44 (4.86-4.26) | 4.31 (4.11-4.82) | 4.75 (4.46-4.92) | 4.44 (3.94-4.74) | 4.53 (4.32-4.66) | 4.89 (4.46-5.30) |
| Hemoglobin (g/dL) | 17.6 (16.6-17.8) | 16.2 (15.2-17.9) | 16.9 (16.3-17.3) | 12.2 (11.2-12.5) | 12.8 (12.3-12.9) | 14.8 (14.2-15.6) |
| Hematocrit (%) | 59.2 (55.8-60.1) | 54.6 (50.9-61.1) | 54.2 (49.6-58.1) | 35.5 (33.7-36.7) | 38.5 (36.4-39.5) | 42.8 (41.0-45.4) |
| MCV (fL) | 125.5 (124.2-129.4) | 121.1 (114.3-129.4) | 115.2 (108.0-121.0) | 80.5 (79.2-86.0) | 82.4 (81.9-84.7) | 86.3 (86.0-88.7) |
| MCH (pg) | 36.8 (36.7-38.2) | 36.3 (36.0-37.0) | 35.0 (34.6-35.3) | 27.9 (27.5-29.8) | 27.8 (27.4-28.2) | 32.9 (30.9-34.3) |
| MCHC (g/dL) | 29.7 (29.5-29.8) | 30.0 (29.1-31.4) | 30.5 (28.9-33.7) | 34.3 (33.4-35.0) | 33.3 (32.7-33.7) | 32.7 (30.4-35.6) |
| Platelets (/nL) | 292 (269-297) | 243 (204-359) | 290 (273-301) | 457 (437-491) | 344 (342-355) | 272 (219-333) |
| CRP negative (%) | 100 | 100 | 80 | 100 | 100 | — |
| . | <32 wk GA (n = 7) . | 32-36 wk GA (n = 25) . | 37-41 wk GA (n = 10) . | 28d-2a (n = 8) . | 2a-13 a (n = 5) . | >13a (n = 9) . |
|---|---|---|---|---|---|---|
| GA/age (range) | 27 + 1 wk to 31 + 3 wk | 32 + 5 wk to 35 + 3 wk | 37 + 1 wk to 41 + 2 wk | 2 mo to 13 mo | 3a-12a | 24a-51a |
| Birth weight (g) | 1480 (1083-1685) | 2100 (1935-2300) | 3480 (3106-3641) | — | — | — |
| SGA (%) | 14.3 | 8.0 | 10 | — | — | — |
| Leukocytes (/nL) | 10.78 (10.40-11.64) | 11.86 (8.31-14.08) | 21.51 (17.91-23.47) | 9.91 (8.10-13.81) | 7.29 (6.90-7.90) | 5.80 (5.62-5.94) |
| Erythrocytes (/μL) | 4.44 (4.86-4.26) | 4.31 (4.11-4.82) | 4.75 (4.46-4.92) | 4.44 (3.94-4.74) | 4.53 (4.32-4.66) | 4.89 (4.46-5.30) |
| Hemoglobin (g/dL) | 17.6 (16.6-17.8) | 16.2 (15.2-17.9) | 16.9 (16.3-17.3) | 12.2 (11.2-12.5) | 12.8 (12.3-12.9) | 14.8 (14.2-15.6) |
| Hematocrit (%) | 59.2 (55.8-60.1) | 54.6 (50.9-61.1) | 54.2 (49.6-58.1) | 35.5 (33.7-36.7) | 38.5 (36.4-39.5) | 42.8 (41.0-45.4) |
| MCV (fL) | 125.5 (124.2-129.4) | 121.1 (114.3-129.4) | 115.2 (108.0-121.0) | 80.5 (79.2-86.0) | 82.4 (81.9-84.7) | 86.3 (86.0-88.7) |
| MCH (pg) | 36.8 (36.7-38.2) | 36.3 (36.0-37.0) | 35.0 (34.6-35.3) | 27.9 (27.5-29.8) | 27.8 (27.4-28.2) | 32.9 (30.9-34.3) |
| MCHC (g/dL) | 29.7 (29.5-29.8) | 30.0 (29.1-31.4) | 30.5 (28.9-33.7) | 34.3 (33.4-35.0) | 33.3 (32.7-33.7) | 32.7 (30.4-35.6) |
| Platelets (/nL) | 292 (269-297) | 243 (204-359) | 290 (273-301) | 457 (437-491) | 344 (342-355) | 272 (219-333) |
| CRP negative (%) | 100 | 100 | 80 | 100 | 100 | — |
Values are displayed as median (IQR). Parameters from the first blood sample (t1) are depicted.
IQR, interquartile range; MCH, mean corpuscular hemoglobin; MCHC, mean corpuscular hemoglobin concentration; MCV, mean corpuscular volume; SGA, small for gestational age.