Table 2.
Blood routine test characteristics of children and adults in family clusters of coronavirus disease 2019
| Laboratory examinations | Children | Adults | X2 | P | |||
|---|---|---|---|---|---|---|---|
| WBC (× 109/L), median (IQR) | 6.68 (2.23–11.7) (n = 33) | 1.75–11.40 (n = 97) | |||||
| WBC decreased, n (%) | 6 (18.2) (n = 33) | 14 (14.4) (n = 97) | 0.130 | 0.718 | |||
| WBC normal, n (%) | 27 (81.8) (n = 33) | 83 (85.6) (n = 97) | |||||
| Lymphocyte (× 109/L), median (IQR) | 4.52 (1.25–9.06) | 0.29–6.23 | |||||
| Lymphocyte decreased, n (%) | 1 (3.0) (n = 33) | 41 (42.3) (n = 97) | 17.334 | < 0.001 | |||
| Lymphocyte normal, n (%) | 30 (90.9) (n = 33) | 54 (55.7) (n = 97) | 13.373 | < 0.001 | |||
| Lymphocyte increased, n (%) | 2 (6.1) (n = 33) | 2 (2.1) (n = 97) | 0.320 | 0.572 | |||
| CRP (mg/L) | 0–12.6 | 0.5–150.0 | |||||
| CRP normal, n (%) | 29 (96.7) (n = 30) | 41 (63.1) (n = 65) | 11.944 | 0.001 | |||
| PT(s) | 10.5–13.1 | 10.0–14.4 | |||||
| PT normal, n (%) | 6 (100) (n = 6) | 20 (100) (n = 20) | |||||
| APTT(s) | 34.0–42.9 | 25.8–49.6 | |||||
| APTT normal, n (%) | 7 (100) (n = 7) | 17 (65.4) (n = 26) | 3.332 | 0.068 | |||
| d-dimer(mg/L) | 0.10–0.43 | 0.19–0.71 | |||||
| d-dimer normal, n (%) | 10 (100) (n = 10) | 16 (88.9) (n = 18) | 1.197 | 0.274 | |||
| ALT(U/L) | 9.0–23.9 | 10.8–36.0 | |||||
| ALT normal, n (%) | 17 (100) (n = 17) | 26 (100) (n = 26) | |||||
| AST(U/L) | 23.0–42.0 | 18.1–40.2 | |||||
| AST normal, n (%) | 12 (100) (n = 12) | 21 (100) (n = 21) | |||||
| CK(U/L) | 78–131 | 176–301 | |||||
| CK normal, n (%) | 10 (100) (n = 10) | 25 (71.4) (n = 35) | 2.433 | 0.119 | |||
IQR interquartile range, WBC white blood cell, CRP C-reactive protein, PT prothrombin time, APTT activated partial thromboplastin time, ALT alanine aminotransferase, AST aspartate aminotransferase, CK creatine kinase