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Table 4 Risk-index score analysis as a function of time: before (first 12-month period) and after (last 12-month period) the introduction of a multifaceted strategy targeting medication

From: Adverse event reporting in adult intensive care units and the impact of a multifaceted intervention on drug-related adverse events

Risk index scores

First 12 months

Last 12 months

Absolute risk difference (95% CI)

p value

Medication, mean ± SD

10.01 ± 2.7

8.72 ± 3.52

1.29 (0.88-1.7)

<0.01

Airway, mean ± SD

9.22 ± 1.52

8.69 ± 1.83

0.53 (−0.92-1.98)

0.46

Indwelling lines, mean ± SD

10.41 ± 2.79

9.2 ± 3.82

1.21 (−0.41-2.47)

0.058

Communication, mean ± SD

9.29 ± 2.78

7.03 ± 3.22

2.26 (1.1-3.42)

<0.01

  1. SD, standard deviation; CI, confidence interval.