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Table 2 Descriptive results of the ICU patients and statistically tested changes

From: Effects of a multifaceted intervention QI program to improve ICU performance

Admittance Year Parameter

2008 n (%)

2009 n (%)

2010 n (%)

2011 n (%)

2012 n (%)

2013 n (%)

2014 n (%)

Change 2008 vs 2014 n (%)

p (n.s. = non significant)

No of patients

768

814

905

847

836

866

914

146 (19.0)

n.s.

 0–19 years of age

26 (3.4)

33 (4.1)

30 (3.3)

24 (2.8)

23 (2.8)

25 (2.9)

19 (2.1)

−7 (− 26.9)

n.s.

 20–64 years of age

379 (49.3)

367 (45.1)

416 (46.0)

384 (45.3)

340 (40.7)

395 (45.6)

419 (45.8)

40 (10.6)

n.s.

  > 65 years of age

363 (47.3)

414 (50.9)

459 (50.7)

439 (51.8)

473 (56.6)

446 (51.5)

476 (52.1)

113 (31.1)

< 0.05

 Female

282 (37.7)

331 (40.7)

383 (42.3)

366 (43.2)

361 (43.2)

352 (40.6)

382 (41.8)

100 (35.5)

< 0.05

Septic diagnosis n(%)

61 (7.9)

79 (9.7)

69 (7.6)

76 (9.0)

82 (9.8)

103 (11.9)

103 (11.3)

42 (68.9)

< 0.01

Case Severity (SAPS III/patient)

34.2

32.3

31.7

33.4

33.5

31.3

32.6

−1.6 (−4.7)

n.s.

 Septic patients

56.6

57.1

56.3

57.5

56.8

51.1

56.4

−0.2 (−0.4)

n.s.

Length of stay (LOS) average days

3.2

3.1

2.8

3.3

2.8

2.9

2.8

−0.4 (−12.5)

n.s.

 Septic patients

7.9

5.7

5.8

5.7

5.8

4.0

4.5

−3.4 (−43.0)

< 0.01

Ventilator treatment, n of patients

467 (60.8)

472 (58.0)

519 (57.3)

517 (61.0)

524 (62.7)

565 (65.2)

591 (64.7)

124 (26.6)

n.s.

 20–65 years of age

218 (57.5)

206 (56.1)

230 (55.3)

223 (58.1)

204 (60.0)

254 (64.3)

277 (66.1)

59 (27.1)

< 0.05

Time on ventilator (average days)

2.2

1.9

1.7

2.2

1.8

1.8

1.7

−0.5 (−22.7)

< 0.01

 Septic patients

6.4

4.0

4.3

4.0

4.6

2.8

3.1

−3.3 (−51.6)

< 0.01

Mortality

 ICU

90 (11.7)

89 (10.9)

91 (10.1)

82 (9.7)

86 (10.3)a

75 (8.7)

68 (7.4)

−22 (−24.4)

< 0.01

  > 65 years of age

61 (16.8)

63 (15.2)

63 (13.7)

57 (13.0)

57 (12.1)a

50 (11.2)

43 (9.0)

−18 (−29.5)

< 0.01

 30-days

167 (21.7)

172 (21.1)

188 (20.8)

177 (20.9)

186 (22.2)a

168 (19.4)

182 (19.9)

15 (9.0)

n.s.

  1. a Data during this period are influenced by a temporary relocation of the ICU services