Table 4.
Clinical characteristics of ARI patients with or without HBoV.
| Variable | HBoV-positive (n = 56) | HBoV-negative (n = 143) | χ2/Z/t | P-value |
|---|---|---|---|---|
| Gender | ||||
| Male | 29 (51.79%) | 85 (59.44%) | 0.964 | 0.326 |
| Female | 27 (48.21%) | 58 (40.56%) | ||
| Age | ||||
| <2 years old | 19 (33.93%) | 46 (32.17%) | 2.989 | 0.224 |
| 2–5 years old | 16 (28.57%) | 58 (40.56%) | ||
| ≥5 years old | 21 (37.50%) | 39 (27.27%) | ||
| Clinical features | ||||
| Fever | 23 (41.07%) | 54 (37.76%) | 0.186 | 0.666 |
| Cough | 55 (98.21%) | 142 (99.30%) | 0.477 | 0.490 |
| Wheezing | 12 (21.43%) | 45 (31.47%) | 1.985 | 0.159 |
| Rales | 39 (69.64%) | 97 (67.83%) | 0.061 | 0.805 |
| Vomiting or diarrhea | 5 (8.93%) | 8 (5.59%) | 0.733 | 0.392 |
| WBC, 109/L | 7.84 (5.83, 10.91) | 7.26 (5.41, 9.55) | 1.562 | 0.118 |
| AST, U/L | 31.40 (22.38, 38.28) | 26.00 (22.00, 31.60) | 2.146 | 0.032* |
| ALT, U/L | 13.80 (10.75, 21.98) | 13.30 (10.60, 17.90) | 0.753 | 0.452 |
| CRP, mg/L | 3.02 (0.52, 17.10) | 1.48 (0.50, 15.80) | 0.888 | 0.374 |
| LDH, U/L | 279.50 (249.00, 326.75) | 261.00 (233.00, 307.00) | 2.193 | 0.028* |
| ADA, U/L | 20.00 (18.00, 23.00) | 20.00 (15.00, 23.00) | 0.832 | 0.405 |
| EOS, 109/L | 0.12 (0.05, 0.21) | 0.11 (0.02, 0.24) | 0.249 | 0.803 |
| RBC, 109/L | 4.45 ± 0.46 | 4.50 ± 0.41 | 0.716 | 0.475 |
| URE, mmol | 2.52 (1.91, 3.03) | 2.79 (2.10, 3.45) | 2.298 | 0.022* |
| URIC, umol/L | 227.00 (172.75, 254.50) | 197.00 (165.00, 250.00) | 1.407 | 0.159 |
| CK-MB, U/L | 25.60 (20.00, 36.10) | 22.70 (17.60, 30.00) | 1.956 | 0.050* |
| Cys-C, mg/L | 0.59 (0.49, 0.76) | 0.62 (0.50, 0.79) | 0.097 | 0.923 |
| HCO3, mmol/L | 21.35 (18.35, 22.78) | 21.30 (19.70, 22.70) | 1.027 | 0.305 |
| Na, mmol/L | 139.20 ± 2.03 | 139.04 ± 1.72 | 0.571 | 0.569 |
| Mg, mmol/L | 1.04 (0.96, 1.13) | 1.0 1 (0.93, 1.09) | 2.049 | 0.040* |
| Hospitalization days | 7.00 (6.00, 9.00) | 7.00 (5.00, 8.00) | 2.108 | 0.035* |
| Increased lung markings | 30 (53.57%) | 109 (76.22%) | 9.805 | 0.002* |
| Patchy opacities | 32 (57.14%) | 63 (44.06%) | 2.762 | 0.097 |
| Linear opacities | 5 (8.93%) | 4 (2.80%) | 2.227 | 0.136 |
| Air bronchogram sign | 5 (8.93%) | 2 (1.40%) | 4.687 | 0.030* |
*
P-values ≤ 0.05 were considered to be statistical significant.
Fever: T ≥ 37.5°C (axillary temperature).
Reference levels: WBC(4~10), AST(15~40), ALT(9~50), CRP(0~5), LDH(120~250), ADA(4~18), EOS(0.02~0.52), RBC(3.75~5.5), URE(3.1~8.0), URIC(89.2~416), CK-MB(0~17), Cys-C(0.6~1.55), HCO3(23~31), Na(137~147), and Mg(0.75~1.02.