Table 6. Analysis of univariate variables related to death in critically ill children.
| Variables | Survival group | Death group | Value | P |
|---|---|---|---|---|
| Cases | 316 | 44 | ||
| Sex (male/female) | 188/128 | 26/18 | χ2=0.003 | 0.959 |
| Age, M (IQR), month | 8 (3–35.75) | 19.5 (4–62.5) | t=–1.209 | 0.228 |
| PRISM III, M [IQR] | 6 [3–11] | 11 [7–14] | t=–3.849 | 0.000 |
| Malnutrition, n (%) | 166 (52.5) | 20 (45.5) | χ2=0.775 | 0.379 |
| Admission diagnosis, n (%) | χ2=12.659 | 0.027 | ||
| Respiratory | 143 (45.3) | 16 (36.4) | ||
| Sepsis/septic shock | 35 (11.1) | 10 (22.7) | ||
| Neurologic | 17 (5.4) | 5 (11.4) | ||
| Cardiovascular | 27 (8.5) | 6 (13.6) | ||
| Post-operation | 45 (14.2) | 1 (2.3) | ||
| Others | 49 (15.5) | 6 (13.6) | ||
| Laboratory test at admission | ||||
| Lymphocyte count, M (IQR), ×109/L | 3.0 (1.7–5.3) | 2.65 (1.22–4.45) | t=0.118 | 0.906 |
| Hemoglobin, M (IQR), g/L | 107 (88.25–125) | 107 (85.75–125) | t=0.497 | 0.619 |
| Platelet count, , ×109/L | 286.88±179.18 | 183.27±152.07 | t=3.655 | 0.000 |
| Glucose, M (IQR), mmol/L | 6.25 (5.2–7.8) | 6.45 (5.23–6.45) | t=–1.000 | 0.318 |
| Lactic acid, M (IQR), mmol/L | 1.6 (1.0–2.65) | 1.7 (1.2–5.8) | t=–2.465 | 0.018 |
| Albumin, , g/L | 34.48±7.38 | 32.07±7.55 | t=2.025 | 0.044 |
| Number of organ dysfunction, M [IQR] | 1 [0–2] | 2 [1–2] | t=–7.177 | 0.000 |
| Comorbidities, n (%) | ||||
| Respiratory failure | 107 (33.9) | 31 (70.5) | χ2=21.879 | 0.000 |
| Shock | 43 (13.6) | 17 (38.6) | χ2=17.420 | 0.000 |
| MODS | 87 (27.5) | 31 (70.5) | χ2=32.294 | 0.000 |
| Nososcomial infection, n (%) | 20 (6.3) | 10 (22.7) | χ2=13.956 | 0.000 |
M (IQR), median (interquartile range); PRISM III, pediatric risk of mortality III; MODS, multiple organ dysfunction syndrome.