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Table 3 Hosmer-Lemeshow goodness of fit test for groups of mortality risk; entire cohort

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

ALL (HL chi2 [10] = 68.0; p < 0.001)

Group of risk

N

Obs

%

Exp

%

HL

SMR

95% CI

P-value

0.000 - 0.003

291

2

(0.7)

0.6

(0.2)

3.2

3.3

(0.4 - 11.9)

NS

0.003 - 0.006

291

0

(0.0)

1.2

(0.4)

1.2

0.0

(0.0 - 3.0)

NS

0.006 - 0.010

291

5

(1.7)

2.2

(0.8)

3.4

2.2

(0.7 - 5.2)

NS

0.010 - 0.014

291

7

(2.4)

3.4

(1.2)

4.0

2.1

(0.8 - 4.3)

NS

0.014 - 0.018

292

6

(2.1)

4.6

(1.6)

0.4

1.3

(0.5 - 2.9)

NS

0.018 - 0.025

291

7

(2.4)

6.1

(2.1)

0.1

1.2

(0.5 - 2.4)

NS

0.025 - 0.035

291

6

(2.1)

8.5

(2.9)

0.8

0.7

(0.3 - 1.5)

NS

0.035 - 0.066

291

13

(4.5)

14.1

(4.9)

0.1

0.9

(0.5 - 1.6)

NS

0.066 - 0.175

291

30

(10.3)

30.9

(10.6)

0.0

1.0

(0.7 - 1.4)

NS

0.175 - 1.000

292

53

(18.2)

114.7

(39.3)

54.7

0.5

(0.4 - 0.6)

< 0.001

Total

2,912

129

(4.4)

186.4

(6.4)

68.0

0.7

(0.6 - 0.8)

< 0.001