Table 2 Models output for assessing the variation in antibiotic consumption for the Haematology-Oncology general ward expressed as relative risk (RR) with 95%CI.

From: Impact of a two step antimicrobial stewardship program in a paediatric haematology and oncology unit

 

First intervention (FN institution guidelines publication and

dissemination)

Second intervention (structured ASP)

 

Immediate impact

Variation by months (slope variation)

Immediate impact

Variation by months (slope variation)

 

%

RR (95% CI)

p-value

%

RR (95% CI)

p-value

%

RR (95% CI)

p-value

%

RR (95% CI)

p-value

Total antibiotics

−11.3

0.89 (0.81–0.97)

0.006

−2.3

0.98 (0.97–0.99)

0.000

2.9

1.03 (0.97–1.09)

0.352

−1.1

0.99 (0.98–1)

0.003

Meropenem

−6.7

0.93 (0.7–1.24)

0.635

6.3

1.06 (1.03–1.09)

0.000

−30.3

0.7 (0.58–0.83)

0.000

−3.7

0.96 (0.94–0.98)

0.000

Piperacillin-tazobactam

226.0

3.26 (2.45–4.34)

0.000

−11.0

0.89 (0.86–0.92)

0.000

28.1

1.28 (1.11–1.48)

0.001

1.2

1.01 (0.99–1.03)

0.186

Third-generation cephalosporins

−77.6

0.22 (0.15–0.32)

0.000

−4.1

0.96 (0.93–0.99)

0.008

−0.4

1 (0.76–1.31)

0.979

−0.8

0.99 (0.96–1.02)

0.604

Quinolones

113.5

2.13 (1.38–3.3)

0.001

23.0

1.23 (1.15–1.32)

0.000

103.1

2.03 (1.4–2.94)

0.000

−14.3

0.86 (0.81–0.91)

0.000

Amikacin

10.1

1.1 (0.86–1.41)

0.442

−4.0

0.96 (0.94–0.99)

0.002

14.6

1.15 (0.97–1.36)

0.114

−3.1

0.97 (0.95–0.99)

0.003

Vancomycin-Teicoplanin

−24.8

0.75 (0.61–0.93)

0.007

−1.1

0.99 (0.97–1.01)

0.269

1.2

1.01 (0.88–1.16)

0.863

−2.7

0.97 (0.96–0.99)

0.001