Table 5. Frequency of patients receiving chemotherapy using CPT versus medication prescription for chemotherapy identification in AH.
| CPT | Medication Prescription | |
|---|---|---|
| >1 year prior to surgery | 12 | 18 |
| 1 year to 3 months prior to operation day | 169 | 173 |
| 3 months prior to and up to operation day | 172 | 172 |
| operation day | 2 | |
| operation day to 3 months prior to time-point | 375 | 374 |
| 3 to 1 month prior to time-point* | 139 | 126 |
| 1 month prior to time-point* | 109 | 88 |
| time-point* after surgery | 119 | 107 |
*
time-point was set to 365 (+/−84) days