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.

Anema et al.

Anema et al. BMC Health Services Research 2013 13:212   doi:10.1186/1472-6963-13-212

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