Indicator

Total

Level 1

Level 2

p

The number of patients (%); mean

12,155 (100)

379.84 ± 317.6

3293 (27.1)

553.88 ± 365.4

8862 (72.9)

205.81 ± 101.6

0.001

LOS in ICU; (days)

16.8

[1.64 - 52.08]

16.8

[4.25 - 43.26]

16.8

[1.64 - 52.08]

0.638

ICU re-admission rate within 48 h of ICU discharge (%)

4.55

[1.97 - 5.78]

4.52

[1.97 - 5.65]

4.59

[2.16 - 5.78]

0.745

Patients admitted from ED and/or discharged home from ICU; %

15.9 ± 7.9

18.9 ± 8.4

12.9 ± 6.3

0.030

Patients transferred between ICUs and other departments; %

84.1 ± 7.9

81.1 ± 8.4

87.1 ± 6.3

0.030

surgery; %

44.6 ± 25.8

35.5 ± 25.4

53.6 ± 23.6

0.045

internal diseases; %

14.7 ± 12.7

19.6 ± 13.7

9.9 ± 9.9

0.029

other, %

24.8 ± 16.6

26.1 ± 20.3

23.6 ± 23.3

0.677

Comorbidity rate:

very low; %

7.9 ± 5.0

7.1 ± 5.0

8.7 ± 4.9

0.362

low; %

21.9 ± 9.9

18.2 ± 8.1

25.6 ± 10.4

0.032

medium; %

39.4 ± 8.0

40.1 ± 9.3

38.7 ± 6.6

0.614

high; %

26.7 ± 10.7

30.6 ± 10.7

22.8 ± 9.4

0.037

very high; %

5.0 ± 4.1

5.8 ± 4.6

4.2 ± 3.4

0.249

Standardized mortality ratio (SMR)

0.68 [0.41 - 1.08]

0.71 [0.54 - 0.96]

0.64 [0.41 - 1.08]

0.066

On mechanical ventilation; %

78.3 ± 9.6

78.7 ± 10.6

77.9 ± 8.7

0.819

The rate of unexpected endotracheal extubations (%)

4.4

[2.35 - 6.27]

4.2

[2.27 - 5.46]

4.4

[2.35 - 6.27]

0.111

Rate of central venous catheter-related bloodstream infections (%)

5.72

[1.25 - 9.26]

5.84

[1.75 - 9.26]

5.63

[1.25 - 8.79]

0.603

Day-beds with TISS-28: <27; %

12.7 ± 8.5

9.4 ± 7.1

16.1 ± 8.6

0.024

Day-beds, TISS-28: 28 - 40; %

63.9 ± 10.2

64.6 ± 11.5

63.5 ± 9.0

0.812

Day-beds, TISS-28: >40; %

23.3 ± 16.1

26.2 ± 17.1

20.5 ± 15.1

0.318

ICU re-admissions within 30 days; %, range

14.4

[5.10 - 25.50]

14.4

[5.10 - 23.90]

14.4

[5.90 - 25.50]

0.680

Infections; %

37.4 ± 6.4

36.8 ± 6.3

38.0 ± 6.4

0.372

Deaths; %

29.7 ± 10.0

34.8 ± 9.6

24.5 ± 7.6

0.004

Deaths with TISS-28 < 30; %

23.5 ± 16.6

31.4 ± 17.7

16.2 ± 12.0

0.009