Table 3 Independent predictors for nosocomial infection
Characteristics | Â | Univariate | Binary logistic regression | |||||
|---|---|---|---|---|---|---|---|---|
|  | Non-nosocomial infection (n = 158) | Nosocomial infection (n = 46) | Statistic value | P value | OR | 95 % CI | P value | |
Nutrition route, n (%) | Â | Â | 22.80a | <0.05 | Â | Â | Â | |
 EN only group | 90 (57.0) | 11 (23.9) |  |  | 0.090 | |||
 SPN group: | Subgroup1 | 42 (26.5) | 13 (28.3) | 3.40 | 1.13 ~ 10.19 | 0.029 | ||
|  | Subgroup2 | 26 (16.5) | 22 (47.8) | 1.87 | 0.56 ~ 6.22 | 0.281 | ||
Total caloric intake (%), median (IQR) | 65.0 (48.6–84.0) | 63.5 (50.9–82.8) | 0.02*b | 0.98 |  |  |  | |
Caloric intake (kcal/day), median (IQR) | 285.3 (170.5–400.6) | 302.8 (222.2–509.3) | 1.77*b | 0.08 |  |  |  | |
Gender, n (%) | Â | Â | 1.78a | 0.18 | Â | Â | Â | |
 Male | 100 (63.3) | 34 (73.9) |  |  |  | |||
 Female | 58 (36.7) | 12 (26.1) |  |  |  | |||
Age (month), median (IQR) | 8.5 (3.0–30.0) | 10.0 (4.0–54.0) | 1.39*b | 0.17 |  |  |  | |
Age groups, n (%) | Â | Â | 2.45d | 0.48 | Â | Â | Â | |
 Infants | 89 (56.30) | 24 (52.20) |  |  | 0.495 | |||
 Toddlers | 35 (22.20) | 9 (19.60) | 0.87 | 0.27 ~ 2.76 | 0.809 | |||
 Preschoolers | 14 (8.90) | 3 (6.50) | 0.61 | 0.09 ~ 4.19 | 0.602 | |||
 Childhood and young teens | 20 (12.70) | 10 (21.70) | 2.33 | 0.64 ~ 8.47 | 0.198 | |||
Weight (kg), median (IQR) | 8.0 (5.0–12.6) | 9.0 (6.0–17.5) | 1.61*b | 0.11 |  |  |  | |
Serum albumin at admission (g/L), median ± SD | 38.19 ± 6.05 | 33.85 ± 6.16 | 4.26b | <0.001 | 0.91 | 0.84 ~ 0.97 | 0.008 | |
Severity of disease, n (%) |  |  | 27.27a | <0.05 | 3.79 | 1.03 ~ 13.99 | 0.045 | |
 Class 1 | 82 (51.90) | 4 (8.70) | ||||||
 Class 2 | 76 (48.10) | 42 (91.30) | ||||||
Mechanical ventilation, n (%) | 20 (12.70) | 20 (43.50) | 21.47a | <0.05 | 3.85 | 1.43 ~ 10.39 | 0.008 | |
Invasive diagnosis operation, n (%) | 30 (19.00) | 23 (50.00) | 17.82a | <0.05 | 1.49 | 0.55 ~ 4.07 | 0.436 | |
PICU length of stay (day), median (IQR) | 5.0 (3.0–8.0) | 12.5 (8.0–15.3) | 1172.5c | <0.001 | 1.23 | 1.11 ~ 1.35 | <0.001 | |