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Table 1 Characteristics of patients admissions to intensive care unit, by type of unit

From: Performance of the pediatric index of mortality 2 (PIM-2) in cardiac and mixed intensive care units in a tertiary children’s referral hospital in Italy

 

CICU

PICU 1

PICU 2

PICU 3

 

Total

(N. 1,356)

(N. 538)

(N. 697)

(N. 321)

 

(N. 2,912)

N

%

N

%

N

%

N

%

P-value

N

%

Gender

        

< 0.001

  

Male

743

54.9

300

56.2

436

62.6

137

43.0

 

1,616

55.7

Female

611

45.1

234

43.8

261

37.5

182

557.0

 

1,288

44.3

Age class

        

< 0.001

  

Newborn (0-7d)

188

13.9

20

3.7

43

6.2

0

0.0

 

251

8.6

Neonate (8–30 d)

125

9.2

12

2.3

35

5.0

3

0.9

 

175

6.0

Infant (1–12 m)

409

30.2

141

26.2

214

26.3

49

15.2

 

813

27.9

Preschool (1–5 y)

378

27.9

204

37.9

256

27.9

79

24.6

 

917

31.5

School (6–12 y)

170

12.5

112

20.8

81

18.7

70

21.8

 

433

14.9

Adolescent (13-16y)

86

6.3

49

9.1

68

21.1

120

37.4

 

323

11.1

Elective admissions in PICU/CICU

        

< 0.001

  

No

171

12.6

333

61.9

389

55.8

66

20.6

 

959

32.9

Yes

1185

87.4

205

38.1

308

44.2

255

79.4

 

1,953

67.1

Main reason for PICU/CICU admission

      

< 0.001

    

Cardiac surgical

1100

81.1

12

2.2

20

2.9

8

2.5

 

1,140

39.2

Other surgical

106

7.8

248

46.1

349

50.1

249

77.6

 

952

32.7

Medical

150

11.1

278

51.7

328

47.1

64

19.9

 

820

28.2

Length of stay in PICU/CICU Median (Range)

2 (0.0 – 564.0)

3 (0.0; 220.0)

3 (0.0; 111.0)

1 (0.0 – 365.0)

< 0.001

2 (0.0 – 564.0)

Main Diagnosis at Hospital discharge

        

< 0.001

  

Congenital anomalies and other diseases of the circulatory system

1,229

90.6

41

7.6

34

4.9

9

2.8

 

1,313

45.1

Diseases of the respiratory system

18

1.3

169

31.4

201

28.2

78

24.3

 

466

16.0

Diseases of the nervous system of the sense organs

5

0.4

38

7.1

128

18.4

16

5.0

 

187

6.4

Injury and poisoning

67

4.9

13

2.4

90

12.9

4

1.3

 

174

5.6

Diseases of the musculoskeletal system and connective tissue

1

0.1

0

0.0

0

0.0

127

39.6

 

128

4.4

Diseases of the digestive system

4

0.3

55

10.2

23

3.3

28

8.7

 

110

3.8

Infectious and parasitic diseases

1

0.1

13

2.4

11

1.6

0

0

 

25

0.9

Congenital anomalies other than circulatory system

8

0.6

56

10.4

54

7.8

33

10.3

 

151

5.2

Cancer

6

0.4

69

12.8

69

9.9

12

3.7

 

156

5.4

Other

17

1.3

84

15.6

87

12.5

14

4.4

 

202

6.9

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