|
Association among experience-related variables in the 21 radiologists routinely interpreting mammograms (univariate analysis) |
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| P Sens. |
Sensitivity |
P Spec. |
Specificity |
Mean AUC |
Mean AUC90 |
|
|
|
||||||
| Annual volume of mammogram Reading |
0.193 |
0.170 |
||||
| More than 5,000 mammograms |
0.85 |
0.67 |
91.66 |
72.13 |
||
| Less than 5,000 mammograms |
0.83 |
0.65 |
83.56 |
44.45 |
||
| Feedback |
0.239 |
0.213 |
||||
| Yes |
0.85 |
0.66 |
85.71 |
50.76 |
||
| No |
0.81 |
0.64 |
80.66 |
34.98 |
||
| Percentage of time spent on breast radiology |
0.019 |
<.0001 |
||||
| Less than 25% |
0.78 |
0.70 |
82.36 |
36.96 |
||
| More than 25% |
0.86 |
0.65 |
85.27 |
49.72 |
||
| Years of practice reading mammograms |
0.116 |
0.166 |
||||
| Less than 10 years |
0.88 |
0.65 |
85.60 |
47.45 |
||
| More than 10 years |
0.82 |
0.67 |
84.49 |
48.83 |
||
| Do the radiologist usually consult with other radiologists when reading? |
0.036 |
<.0001 |
||||
| Yes |
0.83 |
0.67 |
84.47 |
48.11 |
||
| No |
0.90 |
0.62 |
87.18 |
50.18 |
||
| Radiologist' age |
0.007 |
<.0001 |
||||
| More than 45 |
0.81 |
0.68 |
84.06 |
48.87 |
||
| Less than 45 |
0.90 |
0.58 |
87.96 |
47.34 |
||
|
P Sens., P. Spec. = Chi-square of the score test for Type 3 GEE analysis. Mean AUC = Mean area under the empirical receiver operating characteristic curve. Mean AUC90 = Mean area under the ROC curve con una specificity fixed at 90% of the empirical receiver operating characteristic curve. | ||||||
Molins et al. BMC Health Services Research 2008 8:91 doi:10.1186/1472-6963-8-91 |
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