Table 3.
Corpus variation across EHR migration
| Metric | Mayo Clinic Arizona | Mayo Clinic Florida | ||||
|---|---|---|---|---|---|---|
| Cerner | Epic | p-value* | Cerner | Epic | p-value* | |
| Total Documents | 66781 | 56454 | 74874 | 56961 | ||
| Total Sections | 344063 | 288774 | 322802 | 266653 | ||
| Unique Note Types | 240 | 26 | 271 | 27 | ||
| Unique sections | 43 | 44 | 44 | 48 | ||
| Sections per document, median | 4 (7) | 5 (4) | 2 (5) | 5 (4) | ||
| Words per document, median (IQR) | 420 (628) | 515 (522) | 262 (508) | 423 (479) | ||
| Words per concept | 4.53 | 3.44 | <0.001 | 4.034 | 3.290 | <0.001 |
| Words per ANAT | 27.60 | 19.22 | <0.001 | 23.81 | 18.02 | <0.001 |
| Words per CHEM | 26.45 | 18.90 | 0.013 | 28.24 | 20.43 | 0.416 |
| Words per DISO | 10.08 | 7.80 | <0.001 | 8.54 | 7.14 | <0.001 |
| Words per PROC | 21.09 | 17.47 | <0.001 | 18.76 | 16.83 | 0.168 |
IQR: Interquartile range, ANAT: Anatomy, CHEM: Chemicals & Drugs, DISO: Disorders, PROC: Procedures
*Determined using Wilcoxon signed-rank test for every set of paired physician migration timeframe samples