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Table 2 Calibration and discrimination of SAPS 3 and SMRs for all patients and various subgroups

From: Performance of the SAPS 3 admission score as a predictor of ICU mortality in a Philippine private tertiary medical center intensive care unit

 

Number

Actual mortality

Predicted mortality (mean ± SD)

Goodness-of-fit testa

AUROCb

SMR

[N(%)]

Ĉ

p

(95% CI)

(95% CI)

All

2,426

277 (11.42)

31.61 ± 26.3

11.51

0.18

0.80 (0.78–0.81)

0.36 (0.26–0.81)

Age > 65 years

1,077

141 (13.09)

40.92 ± 25.6

6.08

0.64

0.77 (0.74–0.79)

0.32 (0.19–0.54)

Age ≤ 65 years

1,349

136 (10.08)

24.18 ± 24.4

19.21

0.01

0.82 (0.80–0.84)

0.42 (0.23–0.76)

Medical

2,123

259 (12.19)

33.81 ± 26.3

9.44

0.31

0.79 (0.77–0.80)

0.36 (0.21–0.62)

 Acute coronary syndromes

371

34 (9.16)

23.70 ± 23.1

4.81

0.78

0.79 (0.74–0.83)

0.39 (0.20–0.72)

 Post-cardiac arrest, all causes

131

47 (35.88)

63.81 ± 20.9

12.25

0.14

0.66 (0.57–0.74)

0.56 (0.40–0.76)

 Sepsis and septic shock

462

90 (19.48)

47.65 ± 25.2

6.95

0.54

0.69 (0.65–0.74)

0.41 (0.26–0.62)

 Shock, all types

341

88 (25.81)

51.56 ± 26.3

2.79

0.95

0.68 (0.63–0.73)

0.50 (0.33–0.72)

 Acute respiratory failure, all causes

305

41 (13.44)

46.89 ± 23.2

6.93

0.54

0.75 (0.69–0.79)

0.29 (0.16–0.47)

 Pneumonia, all types

615

101 (16.42)

46.92 ± 24.1

3.95

0.86

0.72 (0.69–0.76)

0.35 (0.21–0.55)

 Acute respiratory distress syndrome

20

7 (35)

51.45 ± 26.0

4.06

0.85

0.93 (0.74–1.00)

0.68 (0.47–0.95)

 Solid tumors

167

30 (17.96)

40.14 ± 28.8

22.28

0.004

0.81 (0.74–0.87)

0.45 (0.27–0.68)

 Hematologic malignancies

15

6 (40)

60.00 ± 23.6

7.15

0.21

0.61 (0.33–0.84)

0.67 (0.48–0.91)

 Acute kidney injury

93

16 (17.20)

46.90 ± 23.7

6.66

0.57

0.79 (0.69–0.86)

0.37 (0.23–0.58)

 Encephalopathy, all types

80

12 (15)

46.15 ± 26.7

4.97

0.76

0.70 (0.58–0.80)

0.33 (0.18–0.54)

 Upper GI bleeding

80

8 (10)

31.73 ± 22.3

3.96

0.86

0.82 (0.72–0.90)

0.32 (0.15–0.58)

 Cerebrovascular accidents

96

8 (8.33)

26.08 ± 20.5

2.52

0.93

0.82 (0.73–0.89)

0.32 (0.16–0.60)

Surgical

303

18 (5.94)

16.19 ± 21.2

4.84

0.77

0.86 (0.82–0.90)

0.37 (0.14–0.72)

 Coronary bypass grafting (CABG)

115

6 (5.22)

9.41 ± 18.1

9.74

0.08

0.85 (0.78–0.91)

0.55 (0.23–1.24)

 Non-CABG surgery

188

12 (6.38)

20.34 ± 21.9

1.98

0.98

0.91 (0.87–0.95)

0.31 (0.14–0.64)

  1. aComputed using the Hosmer and Lemeshow goodness-of-fit Ĉ test. bAnalyzed using the method by Hanley and associates.