Table 2 Hematologic features at birth by bronchopulmonary dysplasia status
Variables | Infants without BPD(n = 55) | Infants with moderate or severe BPD (n = 60) | P value |
|---|---|---|---|
WBC count,109/l | 9.12 (6.28–15.89) | 11.2 (6.9–20.9) | 0.141 |
RBC count,1012/l | 4.22 (3.74–4.59) | 4.2 (3.9–4.5) | 0.523 |
platelet count,109/l | 194.00 (131.00–245.00) | 228 (189–259)** | 0.004 |
Neutrophils count,109/l | 2.95 (1.68–6.46) | 5.0 (2.4–13.1)* | 0.023 |
lymphocyte count,109/l | 4.14 (3.17–6.94) | 4.1 (3.0–6.7) | 0.675 |
Eosinophil count,109/l | 0.12 (0.05–0.18) | 0.11 (0.06–0.22) | 0.492 |
Basophil count,109/l | 0.02 (0.01–0.06) | 0.02 (0.01–0.03) | 0.060 |
monocyte count,109/l | 0.63 (0.37–1.12) | 0.88 (0.57–1.55)* | 0.026 |
Neutrophil percentage, % | 37.40 (26.50–57.30) | 49.1 (36.6–63.0)* | 0.032 |
Lymphocyte percentage, % | 53.45 (33.35–64.83) | 38.5 (29.4–54.3)* | 0.022 |
Eosinophil percentage, % | 1.20 (0.60–2.03) | 1.1 (0.6–1.6) | 0.845 |
Basophil percentage, % | 0.30 (0.10–0.50) | 0.2 (0.1–0.3)* | 0.011 |
Monocyte percentage, % | 6.80 (4.55–8.63) | 8.0 (4.9–10.3)* | 0.040 |
Hb level, g/l | 161.00 (138.75–179.75) | 156 (143–167) | 0.523 |
Hematocrit, % | 50.70 (45.40–56.08) | 50 (45–52) | 0.171 |
MCV, fl | 120.40 (113.35–128.70) | 120 (114–124) | 0.549 |
MCH, pg | 38.40 (36.05–39.95) | 38 (36–40) | 0.582 |
MCHC, g/l | 315.00 (306.75–325.50) | 319 (307–326) | 0.910 |
RDW, % | 16.5 (15.4–17.8) | 15.7 (15.3–16.4) | 0.079 |
MPV, fl | 9.4 (9.00–9.85) | 9.1 (8.7–9.4)** | 0.002 |
PDW, % | 16.75 (16.60–17.10) | 16.7 (16.4–17.0) | 0.273 |