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Table 1 General characteristics in Vascular Surgery ward and control group in pre-intervention and intervention periods

From: Persuasive antimicrobial stewardship intervention in the context of a KPC outbreak: a controlled interrupted time series analysis

 

Vascular Surgery

General Surgery

Pre-intervention

Intervention

p-value

Pre-intervention

Intervention

p-value

Per month: mean (sd)

 Admissions (n)

129 (25)

107 (20)

< 0.001

478 (43)

472 (35)

0.575

 Elective admissions (%)

74.7 (6.7)

61.4 (11.9)

< 0.001

67.3 (3.7)

64.7 (4.9)

0.013

 Men (%)

52.6 (6.2)

57.3 (7.8)

0.005

44.0 (2.6)

42.5 (2.4)

0.013

Age (%)

  < 40

9.5 (3.0)

7.2 (3.5)

0.004

15.4 (1.8)

14.6 (1.5)

0.057

 40–64

50.9 (5.8)

45.2 (6.6)

< 0.001

46.4 (2.4)

46.7 (3.0)

0.706

 65–74

20.3 (4.0)

25.6 (3.8)

< 0.001

20.1 (1.8)

19.8 (2.3)

0.545

  > =75

19.4 (5.3)

22.0 (6.1)

0.058

18.1 (2.0)

18.9 (1.9)

0.078

 Average Length of Stay (days)

7.7 (1.5)

9.0 (1.4)

0.001

5.1 (0.5)

5.7 (0.4)

< 0.001

 30-days Readmissions (%)

8.0 (2.4)

8.8 (2.6)

0.146

11.5 (1.8)

12.9 (1.7)

0.002

 In-hospital death (%)

1.6 (1.3)

2.1 (1.4)

0.167

1.6 (0.6)

2.2 (0.6)

< 0.001

  1. Pre-intervention: January 2012 – March 2016; Intervention: April 2016–May 2018; sd standard-deviation