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. 2013 Jun 12;13:212. doi: 10.1186/1472-6963-13-212

Table 2.

Results of the descriptive statistics of hip and knee replacements and Mammacare

 
2008
2009
2010
 
  PI N M SD Range N M SD Range N M SD Range IS
HR
2b
64
99.92
0.602
95 –100
95
99.8
0.949
93 – 100
94
99.9
0.30
98 – 100
53
4b
52
91.27
22.79
0 – 100
91
90.6
15.24
0 - 100
93
16.13
26.58
0 – 100
6
5b
65
100
0.000
100 - 100
96
99.7
1.402
93 - 100
94
101.0
15.65
70 – 100
53
5c
59
97.38
14.00
0 – 100
94
98.0
5.827
66 - 100
93
98.9
16.98
64 – 100
37
5d
60
0.816
0.740
0 – 2.7
93
0.719
0.674
0 – 2.75
93
0.754
0.804
0 – 4
5
GM
60
78
8
/
94
78
5
/
93
63
12
/
37
KR
2b
63
99.92
0.663
95 - 100
94
99.8
0.834
93 - 100
93
100
0.246
98 – 100
52
4b
54
91.17
25.72
0 - 100
89
95.6
10.99
0 - 100
92
11.65
27.15
0 – 100
7
5b
64
100
0.00
100 - 100
95
99.8
1.101
92 - 100
93
99.6
2.342
78 – 100
52
5c
59
96.84
15.71
0 - 100
93
97.8
6.52
60 - 100
92
96.8
8.979
49 – 100
39
5d
59
0.50
0.649
0 – 3
92
0.554
0.631
0 – 3.2
92
0.544
0.616
0 – 3.3
6
GM
60
78
9
/
93
79
4
/
92
62
8
/
37
BC
1
68
100
5.055
75 – 100
/
/
/
/
/
/
/
/
/
2
68
100
3.200
85 – 100
/
/
/
/
/
/
/
/
/
3
66
9.675
5.464
0 – 24
95
9.215
4.733
0 – 29
94
7.279
4.026
0.95 - 23
0
4
68
41.4
12.68
10 - 75
95
38.5
11.53
10 - 60
/
/
/
/
/
5
63
90.48
14.92
17 - 100
95
89.2
10.30
51 - 100
94
88.9
11.85
34 – 100
0
6a
57
2.130
2.247
0 -11
89
1.748
1.945
0 - 9
93
1.490
1.703
0 – 8
0
6b
57
2.700
2.838
0 - 11
90
2.581
2.522
0 - 11
93
2.455
2.351
0 - 10
0
7
65
100
5.568
74 - 100
/
/
/
/
/
/
/
/
/
GM 64 56 6 / 93 28 6 / 94 25 5 / 0

Note: PI Performance Indicator, N number of hospitals, M mean, SD standard deviation, GM grand mean, IS Implausible Score (100% or 0% score three consecutive years), HR Hip replacements, KR Knee replacements, BC Breast Cancer; Number of hospitals vary slightly throughout the text due to differences in how hospitals are enrolled in the study (concerns vs separate hospitals). Note 2: No perfect score defined for Performance indicator BC 4.