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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.