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Table 3 Excess length of stay and mean costs of AEs for (potentially preventable) adverse events in the Netherlands in 2004

From: Direct medical costs of adverse events in Dutch hospitals

 

Mean excess LOS in days (95% CI)

Mean costs of LOS in € (95% CI)

Mean costs of medical procedures in € (95% CI)

Mean total costs of AEs in € (95% CI)

All AEs*

(n = 456)

9.1 (7.6 – 10.5)

3852 (3081 – 5009)

703 (452 – 923)

4555 (3694 – 5790)

Deceased patients**

6.3 (5.3 – 8.3)

3962 (2582 – 4179)

524 (366 – 704)

4487(3065 – 4784)

University hospitals***

10.1 (6.4 – 11.9)

5298 (3580 – 7943)

189 (53 – 282)

5487 (3673 – 8075)

General hospitals***

8.9 (6.9 – 9.6)

3543 (2695 – 4273)

813 (556 – 969)

4356 (3357 – 5062)

All preventable AEs*

(n = 182)

10.3 (7.8 – 13.2)

4778 (3081 – 7066)

507 (309 – 850)

5286 (3470 – 7786)

Deceased patients**

6.5 (4.4 – 9.7)

3763 (2266 – 4778)

765 (338 – 952)

4528 (2830 – 5370)

University hospitals***

15.7 (8 – 21)

8054 (5041 – 11834)

45 (0 – 173)

8100 (5144 – 11944)

General hospitals***

9.7 (7.4 – 13.2)

4436 (2609 – 7396)

556 (323 – 931)

4992 (3033 – 8188)

  1. * Psychiatric and obstetric patients and patients < 1 year were excluded. Day admissions were only excluded in the discharged patients. Figures were weighted for over sampling of deceased patients and of patients admitted to a university hospital.
  2. ** Subgroup analysis, sample is not weighted for overrepresentation of deceased patients in the sample.
  3. *** Psychiatric and obstetric patients and patients < 1 year were excluded. Day admissions were only excluded in the discharged patients. Figures were weighted for over sampling of deceased patients.