Table 1.
Comparison of subjects’ characteristics stratified according to HRCT results.
| Abnormal HRCT (n = 16) | Normal HRCT (n = 31) | P value | |
|---|---|---|---|
| Sex (M/F) | 6(37.5%)/10(62.5%) | 20(64.5%)/11(35.5%) | 0.078 |
| Age (years) | 14.4(13.4–16.9) | 12.5(5.9–15.2) | 0.037 |
| Hospital Stay (days) | 26(21–32) | 21(20–24) | 0.048 |
| Duration of fever (days) | 7(7–8) | 7(6–8.3) | 0.939 |
| Maximum temperature (°C) | 40(39.1–40) | 39.2(38.6–39.9) | 0.090 |
| Oxygen supplement | 7(46.7%) | 2(6.5%) | 0.003 |
| Ventilatory support | 2(13.3%) | 0(0%) | 0.101 |
| Cough | 9(60%) | 17(56.7%) | 1 |
| Malaise | 11(73.3%) | 13(43.3%) | 0.68 |
| Chills | 6(40%) | 11(36.7%) | 1 |
| Runny nose | 5(33.3%) | 10(33.3%) | 1 |
| Myalgia | 6(40%) | 7(23.3%) | 1 |
| Total WBC at admission | 5.3(4.2–6.2) | 5.3(4.3–7.4) | 0.385 |
| Lymphocyte count at admission | 0.9(0.6–1) | 1.3(1–1.8) | <0.0001 |
| Lowest recorded lymphocyte count | 0.4(0.1–0.8) | 0.9(0.6–1.1) | <0.0001 |
| Neutrophil count at admission | 3.9(3.2–4.7) | 2.8(2.2–5.1) | 0.260 |
| Highest recorded neutrophil count | 12.1(10.4–15.2) | 12.5(7.8–19) | 0.887 |
| LDH at admission | 480.0(270.3–738.3) | 371.0(256–563) | 0.533 |
| Highest recorded LDH | 752.5(401.8–957) | 588.0(321.3–859.5) | 0.399 |
| CPK at admission | 78.5(70.8–106.3) | 92.0(67–144) | 0.316 |
| Highest recorded CPK | 167.0(66.5–467.8) | 243.0(88.8–355.8) | 0.587 |
| Use of systemic steroids | |||
| Hydrocortisone | 11(68.8%) | 8(25.8%) | 0.004 |
| Prednisolone | 14(87.5%) | 20(64.5%) | 0.168 |
| Methylprednisolone | 10(62.5%) | 6(19.4%) | 0.003 |
°C - degrees celcius; WBC - white blood count; Lym - lymphocyte; Neutro - neutrophil; LDH - lactate dehydrogenase; CPK - creatine phosphokinase; Numerical data: Median (interquartile range); Categorical data: frequency (%).