# Table 3 Independent predictors for nosocomial infection

Characteristics

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Univariate

Binary logistic regression

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Non-nosocomial infection (nâ€‰=â€‰158)

Nosocomial infection (nâ€‰=â€‰46)

Statistic value

P value

OR

95Â % CI

P value

Nutrition route, n (%)

Â Â

22.80a

<0.05

Â Â Â

â€ƒEN only group

90 (57.0)

11 (23.9)

Â Â

0.090

â€ƒSPN group:

Subgroup1

42 (26.5)

13 (28.3)

3.40

1.13â€‰~â€‰10.19

0.029

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Subgroup2

26 (16.5)

22 (47.8)

1.87

0.56â€‰~â€‰6.22

0.281

Total caloric intake (%), median (IQR)

65.0 (48.6â€“84.0)

63.5 (50.9â€“82.8)

0.02*b

0.98

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Caloric intake (kcal/day), median (IQR)

285.3 (170.5â€“400.6)

302.8 (222.2â€“509.3)

1.77*b

0.08

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Gender, n (%)

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1.78a

0.18

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â€ƒMale

100 (63.3)

34 (73.9)

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â€ƒFemale

58 (36.7)

12 (26.1)

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Age (month), median (IQR)

8.5 (3.0â€“30.0)

10.0 (4.0â€“54.0)

1.39*b

0.17

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Age groups, n (%)

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2.45d

0.48

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â€ƒInfants

89 (56.30)

24 (52.20)

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0.495

â€ƒToddlers

35 (22.20)

9 (19.60)

0.87

0.27â€‰~â€‰2.76

0.809

â€ƒPreschoolers

14 (8.90)

3 (6.50)

0.61

0.09â€‰~â€‰4.19

0.602

â€ƒChildhood and young teens

20 (12.70)

10 (21.70)

2.33

0.64â€‰~â€‰8.47

0.198

Weight (kg), median (IQR)

8.0 (5.0â€“12.6)

9.0 (6.0â€“17.5)

1.61*b

0.11

Â Â Â

Serum albumin at admission (g/L), medianâ€‰Â±â€‰SD

38.19â€‰Â±â€‰6.05

33.85â€‰Â±â€‰6.16

4.26b

<0.001

0.91

0.84â€‰~â€‰0.97

0.008

Severity of disease, n (%)

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27.27a

<0.05

3.79

1.03â€‰~â€‰13.99

0.045

â€ƒClass 1

82 (51.90)

4 (8.70)

â€ƒClass 2

76 (48.10)

42 (91.30)

Mechanical ventilation, n (%)

20 (12.70)

20 (43.50)

21.47a

<0.05

3.85

1.43â€‰~â€‰10.39

0.008

Invasive diagnosis operation, n (%)

30 (19.00)

23 (50.00)

17.82a

<0.05

1.49

0.55â€‰~â€‰4.07

0.436

PICU length of stay (day), median (IQR)

5.0 (3.0â€“8.0)

12.5 (8.0â€“15.3)

1172.5c

<0.001

1.23

1.11â€‰~â€‰1.35

<0.001

1. Note: Variables with * were conducted for logarithmic transformation. Statistic values with a, b, c, d were Pearsonâ€™s chi-square value, Studentsâ€™ t value and Mannâ€“Whitney U value and Fisher exact test respectively. OR odds ratio, CI confidence interval