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Table 4 Length of Stay, In-hospital Mortality and Failure to Rescue Following Minor and Major Hepatobiliary Resections, According to Hospital Volume Categories

From: In-hospital mortality and failure to rescue following hepatobiliary surgery in Germany - a nationwide analysis

  

Hospital Volume Categories

Very Low (1–10)

Low (11–20)

Medium (21–40)

High (41–100)

Very High (> 100)

Minor Liver Surgery

 Length of Stay (Days)

Median (IQR)

14 (10–21)

13 (10–20)

12 (9–18)

13 (9–21)

12 (9–19)

 In-hospital Mortality

n/N

247/5526

82/2473

60/2002

93/2156

57/1684

Obs Rate %

4.5

3.3

3.0

4.3

3.4

Adj Rate % (95% CI)

4.5 (4.0–5.1)

3.3 (2.6–4.1)

3.3 (2.5–4.2)

4.0 (3.2–4.8)

3.3 (2.5–4.2)

 Incidence of Complicationsa

n/N

1137/5526

479/2473

391/2002

507/2156

408/1684

Obs Rate %

20.58

19.37

19.53

23.52

24.23

 Failure to Rescuea

n/N

208/1137

73/479

57/391

87/507

53/408

Obs Rate %

18.29

15.24

14.58

17.16

12.99

Adj Rate % (95% CI)

17.9 (15.6–20.5)

15.33 (12.0–19.3)

14.0 (10.6–18.1)

17.1 (13.7–21.1)

13.54 (10.1–17.7)

Major Liver Surgery

 Length of Stay (Days)

Median (IQR)

17 (12–28)

17 (12–29)

16 (12–28)

17 (12–28)

18 (12–30)

 In-hospital Mortality

n/N

488/4208

269/2480

274/2646

406/4399

349/3540

Obs Rate %

11.6

10.9

10.4

9.2

9.9

Adj Rate % (95% CI)

11.4 (10.4–12.5)

10.1 (9.0–11.3)

9.19 (8.1–10.4)

8.0 (7.3–8.9)

7.4 (6.6–8.2)

 Incidence of Complicationsa

n/N

1487/4208

893/2480

881/2646

1514/4399

1405/3540

Obs Rate %

35.34

36.01

33.30

34.42

39.69

 Failure to Rescuea

n/N

451/1487

259/893

268/881

394/1514

341/1405

Obs Rate %

30.33

29.00

30.42

26.02

24.27

Adj Rate % (95% CI)

29.38 (26.7–32.2)

27.13 (23.9–30.7)

28.05 (24.8–31.6)

24.0 (21.7–26.5)

21.38 (19.2–23.8)

  1. Data are in n/N. Observed Rate (Obs Rate) in % and Adjusted Rate (Adj Rate) in % (95% CI). Covariates used for risk adjustment are displayed in Appendix Table 2
  2. aNumber of Treatment Cases with at Least one Complication (including Peritonitis, Sepsis, Liver Failure, Acute Myocardial Infarction, Stroke, Pulmonary Embolism, Hemodialysis [> 72 h], Prolonged Mechanical Ventilation [> 48 h], Blood Transfusions [≥6], Percutaneous Abdominal Drainage)