Table 2.
Laboratory test results of children of different ages with infectious mononucleosis.
| Clinical manifestations | 1–3 years(n = 23) | 4–6 years(n = 23) | 7–14 years(n = 15) | P |
|---|---|---|---|---|
| Leukocytes (×109/L) | 16.95 ± 5.48 | 13.64 ± 4.84 | 16.87 ± 6.52 | 0.088d |
| Neutrophils (%) | 25.87 ± 10.88 | 24.53 ± 7.76 | 23.97 ± 12.27 | 0.834d |
| Lymphocytes (%) | 62.0 (56.0, 66.0) | 60.7 (57.6, 74.4) | 48.0 (36.0, 63.0) | 0.048c |
| Platelets (×1012/L) | 203.0 (137.0, 222.0) | 216.0 (158.0, 240.0) | 180.0 (134.0, 244.0) | 0.518c |
| Hemoglobin (g/L) | 124.30 ± 9.60 | 126.87 ± 15.81 | 128.93 ± 10.05 | 0.523d |
| C-reactive protein (mg/L) | 7.9 (4.0, 11.0) | 5.0 (3.0, 9.0) | 4.5 (2.0, 12.1) | 0.448c |
| Atypical lymphocytes (%) | 10.0 (4.0, 16.0) | 7.0 (2.0, 18.0) | 17.0 (13.0, 35.0) | 0.028c |
| Alanine aminotransferase (U/L) | 25.0 (16.0, 118.0) | 35.0 (26.0, 90.0) | 82.0 (36.0, 236.0) | 0.046c |
| Alanine aminotransferase (U/L) | 51.0 (37.0, 91.0) | 48.0 (40.0, 80.0) | 97.0 (46.0, 159.0) | 0.105c |
| Glutamyl transpeptidase (U/L) | 14.6 (9.4, 62.8) | 24.0 (14.0, 53.0) | 40.1 (24.9, 94.7) | 0.113c |
| Total bilirubin (μmol/L) | 4.6 (3.9, 6.2) | 4.4 (3.4, 5.7) | 5.5 (4.6, 7.9) | 0.147c |
| Direct bilirubin (μmol/L) | 1.9 (1.0, 2.6) | 1.4 (1.1, 2.4) | 2.1 (1.7, 3.5) | 0.270c |
| Urea nitrogen (mmol/L) | 3.25 ± 0.75 | 3.27 ± 1.07 | 2.83 ± 0.78 | 0.264d |
| Uric acid (mmol/L) | 256.46 ± 96.22 | 312.57 ± 90.21 | 276.47 ± 62.89 | 0.096d |
Notes: cKruskal–Wallis test; danalysis of variance. Data are presented as X ± S or median (interquartile range).