Control group | Intervention group | |||||
---|---|---|---|---|---|---|
(always exposed to usual EHR software) | ||||||
Before | After | p | Before software modification | After software modification | p | |
Diagnostic and lab tests that were withdrawn from the basic menu | ||||||
Uric acid | 12 | 10.9 | 0.094 | 11.2 | 4.5 | <0.001 |
Serum protein electrophoresis | 4.1 | 3.2 | 0.001 | 4.7 | 0.6 | <0.001 |
Sedimentation rate | 8.3 | 7.7 | 0.259 | 7.1 | 2 | <0.001 |
Rest electrocardiographya | 7.7 | 6.8 | 0.189 | 6.4 | 5.4 | 0.072 |
Lung X-ray | 1.7 | 1.6 | 0.351 | 1.9 | 1.4 | 0.002 |
All tests withdrawn | 33.8 | 30.3 | 0.075 | 31.3 | 13.9 | <0.001 |
Diagnostic and laboratory tests that were added to the basic menu | ||||||
HDL cholesterolb | 19 | 17.8 | 0.357 | 16.7 | 16 | 0.566 |
Triglycerides | 19.6 | 18.3 | 0.349 | 17.4 | 16.2 | 0.372 |
Faecal occult blood testb | 8.5 | 7.3 | 0.236 | 4.9 | 6.3 | 0.017 |
Cervicovaginal cytologyb | 4.8 | 4.7 | 0.779 | 4.5 | 4.4 | 0.905 |
Mammographyb | 1.9 | 1.8 | 0.332 | 1.6 | 1.7 | 0.631 |
All tests added | 53.7 | 49.9 | 0.334 | 45 | 44.7 | 0.909 |
Diagnostic and laboratory tests that were marked with green dots (USPSTF grade A and B) | ||||||
Glucose | 22.7 | 21.5 | 0.402 | 20.4 | 18.8 | 0.199 |
Total cholesterol | 20.6 | 19.3 | 0.345 | 18.3 | 16.9 | 0.264 |
Colonoscopy | 1.4 | 1.5 | 0.325 | 1.2 | 1.2 | 0.940 |
Flexible sigmoidoscopy | 0.1 | 0.1 | 0.031 | 0.1 | 0.1 | 0.115 |
DXAα | 1 | 0.7 | 0.035 | 0.6 | 0.6 | 0.562 |
VDRLβ | 2.1 | 2 | 0.234 | 1.9 | 1.6 | 0.003 |
All green marked | 82.1 | 76.7 | 0.331 | 70.2 | 67.5 | 0.560 |
Diagnostic and laboratory tests that were marked with red dots (USPSTF grade D) | ||||||
Pelvic ultrasound | 1.2 | 1.1 | 0.033 | 1 | 1.1 | 0.815 |
Cancer antigen 19-9 | 0.2 | 0.2 | 0.911 | 0.1 | 0.1 | 0.013 |
Exercise electrocardiography | 0.5 | 0.6 | 0.308 | 0.5 | 0.4 | 0.113 |
Carotid artery ultrasound | 0.3 | 0.2 | 0.484 | 0.2 | 0.2 | 0.072 |
Spirometry | 0.5 | 0.5 | 0.959 | 0.3 | 0.5 | 0.010 |
Hepatitis B surface antigen | 1.6 | 1.7 | 0.627 | 1.3 | 1.2 | 0.147 |
Hepatitis C antibodies | 1.2 | 1.2 | 0.379 | 0.9 | 0.9 | 0.898 |
All red marked | 13.1 | 12.3 | 0.341 | 10.9 | 9.7 | 0.102 |