1. Manually abstracted database, # of subjects | 2. EHR extract-ion, # of subjects | 3. Discrepancy (% and # of subjects) between the databases a | 4. Manually abstracted database errors | 5. EHR-extracted data errors | 6. Median discrepancy | 7. Discrepancy range | |
---|---|---|---|---|---|---|---|
1st WBC count b | 1257 | 1437 | 3.2 % (40) | 2.5 %(32) | 0.6 % (8) c*** | 0.75 k/mm3 | 0.01–109 k/mm3 |
1st Hemoglobin | 1333 | 1460 | 11.9 % (158) | 5.8 % (77) | 8.3 % (110) d * | 1.4 g/dl | 0.1–25.9 g/dl |
Peak total bilirubin | 1565 | 1336 | 11.4 % (152) | 6.9 % (92) | 5.1 % (68) e * | 1.45 mg/dl | 0.1–15.2 mg/dl |
Peak direct bilirubin | 681 | 674 | 4.9 % (33) | 4.5 % (30) | 0.9 % (6) f **** | 0.5 mg/dl | 0.1–16.4 mg/dl |
PDA | 512 | 414 | 12.8 % (53) | 12.8 %(53) | 8.2 % (34) g *** | NA | NA |