Skip to main content

Table 2 Number of hospitals and cases for complex pancreatic interventions in 2006, 2008, and 2010 and number of cases per quintile

From: Minimum volume standards in German hospitals: do they get along with procedure centralization? A retrospective longitudinal data analysis

  2006 2008 2010 p
Hospitals with no. of cases ≥ 1 437 444 461  
Change to 2006 - +1,6 % +5,5 %  
Annual no. of cases 8258 8843 9180  
Change to 2006 - +7,1 % +11,2 %  
  Min. – max. 1–384 1–395 1–427  
  Median 11,00 13,00 13,00  
  Mean (SD) 18,90 (31,6) 19,92 (29,3) 19,91 (29,6)  
Hospitals complying MVS*: 10 per year 279 (63,8 %) 311 (70,0 %) 328 (71,1 %)  
No. of cases in hospitals complying MVS 7534 (91,2 %) 8236 (93,1 %) 8576 (93,4 %)  
Hospitals not complying MVS 158 (36,2 %) 133 (30,0 %) 133 (28,9 %)  
No. of cases in hospitals not complying MVS 724 (8,8 %) 607 (6,9 %) 604 (6,6 %)  
Quintile 1 hospitals 87 88 92  
No. of cases 4794 4938 5087 0,735**
 Percentage of annual cases 58,0 % 55,8 % 55,4 %  
  Min. – max. 25–384 25–395 27–427  
  Median 38,00 40,00 39,00  
  Mean (SD) 55,10 (57,0) 56,11 (50,6) 55,29 (51,8)  
Quintile 2 hospitals 87 89 92  
No. of cases 1550 1682 1770 0,002**
 Percentage of annual cases 18,8 % 19,0 % 19,3 %  
  Min. – max. 14–25 15–25 15–26  
  Median 17,00 18,00 18,00  
  Mean (SD) 17,82 (3,4) 18,90 (2,5) 19,24 (3,2)  
Quintile 3 hospitals 87 89 92  
No. of cases 1010 1152 1182 <0,001**
 Percentage of annual cases 12,2 % 13,0 % 12,9 %  
Min. – max. 10–14 11–15 11–15  
  Median 12,00 13,00 13,00  
  Mean (SD) 11,61 (1,1) 12,94 (1,3) 12,85 (1,3)  
  Quintile 4 hospitals 88 89 92  
No. of cases 673 802 860 <0,001**
 Percentage of annual cases 8,1 % 9,1 % 9,4 %  
  Min. – max. 5–10 6–11 7–11  
  Median 8,00 10,00 10,00  
  Mean (SD) 7,65 (1,6) 9,01 (1,5) 9,35 (1,3)  
Quintile 5 hospitals 88 89 93  
No. of cases 231 269 281 0,295**
 Percentage of annual cases 2,8 % 3,0 % 3,1 % 0,999#
  Min. – max. 1–5 1–6 1–6  
  Median 3,00 3,00 3,00  
  Mean (SD) 2,63 (1,4) 3,02 (1,8) 3,02 (1,7)  
  1. *minimum volume standards; **Kruskal-Wallis-test; # chi-square-test