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Table 6 Number of hospitals and cases for stem cell transplantations in 2006, 2008, and 2010 and number of cases per tercile

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

 

2006

2008

2010

 

Hospitals with no. of cases ≥ 1

81

73

84

 

Change to 2006

-

−9,9 %

+2,5 %

 

Annual no. of cases

6181

5542

6320

 

Change to 2006

-

−10,3 %

+2,2 %

 

  Min. – max.

1–349

1–306

1–320

 

  Median

40,00

40,00

38,50

 

  Mean (SD)

76,31 (78,9)

75,92 (74,9)

75,24 (77,5)

 

Hospitals complying MVS*: 25 per year

63 (77,8 %)

55 (75,3 %)

62 (73,8 %)

 

No. of cases in hospitals complying MVS

5927 (95,9 %)

5290 (95,5 %)

6030 (95,4 %)

 

Hospitals not complying MVS

18 (22,2 %)

18 (24,7 %)

21 (26,2 %)

 

No. of cases in hospitals not complying MVS

254 (4,1 %)

252 (4,5 %)

290 (5,6 %)

 

Tercile 1 hospitals

27

24

28

 

No. of cases

4497

3940

4694

0,904**

 Percentage of annual cases

72,8 %

71,1 %

74,3 %

 

  Min. – max.

80–349

83–306

82–320

 

  Median

143,00

153,00

158,00

 

  Mean (SD)

166,56 (76,1)

164,17 (67,1)

167,64 (167,6)

 

Tercile 2 hospitals

27

24

28

 

No. of cases

1202

1170

1184

0,381**

 Percentage of annual cases

19,4 %

21,1 %

18,7 %

 

  Min. – max.

27–79

27–82

26–82

 

  Median

40,00

40,50

38,50

 

  Mean (SD)

44,52 (16,0)

48,75 (19,3)

42,29 (16,1)

 

Tercile 3 hospitals

27

25

28

 

No. of cases

482

432

442

0,547**

 Percentage of annual cases

7,8 %

7,8 %

7,0 %

0,990#

  Min. – max.

1–26

1–26

1–26

 

  Median

19,00

19,00

16,00

 

  Mean (SD)

17,85 (7,6)

17,28 (8,5)

15,79 (7,7)

 
  1. *minimum volume standards; **Kruskal-Wallis-test; # chi-square-test