Table 3. Ordering of preoperative tests.
| Tests |
Outpatient preoperative evaluation |
P-value | |
|---|---|---|---|
| YESa (n=240) | NOb (n=728) | ||
| Complete blood count | 212 (88.3) | 608 (83.5) | 0.072 |
| ECG | 211 (87.9) | 620 (85.3) | 0.289 |
| Creatinine | 210 (87.5) | 595 (81.7) | 0.038 |
| Glucose | 180 (75.0) | 480 (65.7) | 0.008 |
| Chest X-ray | 204 (85.0) | 588 (80.8) | 0.141 |
| Exercise ECG | 8 (3.3) | 0 | <0.001 |
| Myocardial scanning | 14 (5.8) | 0 | <0.001 |
| Echocardiography | 13 (5.4) | 0 | <0.001 |
Abbreviation: ECG, electrocardiogram.
Data are expressed as n (%).
a
Most tests were ordered by ophthalmologists.
b
All tests were ordered by ophthalmologists.