From: Profiling quality of care: Is there a role for peer review?
 | HTN | COPD | Diabetes | Acute |
---|---|---|---|---|
Mean rating (1 – 6) * | 3.41 | 3.09 | 3.39 | 2.90 |
Variance § |  |  |  |  |
   Reviewer | 0.15 | 0.34 | 0.34 | 0.33 |
   Patient (between record) | 0.75 | 0.30 | 0.88 | 0.26 |
   Noise (within record) | 0.72 | 0.50 | 0.69 | 1.03 |
Total variance | 1.62 | 1.14 | 1.90 | 1.62 |
Proportion of total variance †|  |  |  |  |
   Reviewer‡ | 0.09 | 0.30 | 0.18 | 0.20 |
   Patient (between record) | 0.46 | 0.26 | 0.46 | 0.16 |
   Noise (within record) | 0.44 | 0.44 | 0.36 | 0.64 |
Correlation of quality ratings at patient level | Â | Â | Â | Â |
   COPD | 0.382 |  |  |  |
   Diabetes | 0.767 | 0.106 |  |  |
   Acute | 0.359 | 0.314 | 0.262 |  |