Rates of VTE by surgery and chemotherapy
| . | Events . | Person-years . | AR* . | 95% CI . |
|---|---|---|---|---|
| Baseline† | 450 | 67 600 | 6.7 | 6.1-7.3 |
| Surgery only‡ | ||||
| During surgery hospitalization | —§ | —§ | 12.2 | 3.1-48.9 |
| 1st month after discharge | 24 | 1 075 | 22.3 | 15.0-33.3 |
| 2nd month after discharge | 24 | 893 | 26.9 | 18.0-40.1 |
| 3rd month after discharge | 8 | 818 | 9.8 | 4.9-19.6 |
| Chemotherapy only|| | ||||
| During chemotherapy | 75 | 1 080 | 69.4 | 55.4-87.1 |
| 1 mo after chemotherapy | 13 | 271 | 48.0 | 27.9-82.6 |
| 2 mo after chemotherapy | 5 | 224 | 22.3 | 9.3-53.7 |
| 3 mo after chemotherapy | —§ | —§ | 14.6 | 4.7-45.3 |
| Surgery and chemotherapy | ||||
| Chemotherapy during surgery recovery | —§ | —§ | 9.4 | 2.4-37.6 |
| Surgery during chemotherapy recovery¶ | 5 | 54 | 92.1 | 38.3-221.2 |
| . | Events . | Person-years . | AR* . | 95% CI . |
|---|---|---|---|---|
| Baseline† | 450 | 67 600 | 6.7 | 6.1-7.3 |
| Surgery only‡ | ||||
| During surgery hospitalization | —§ | —§ | 12.2 | 3.1-48.9 |
| 1st month after discharge | 24 | 1 075 | 22.3 | 15.0-33.3 |
| 2nd month after discharge | 24 | 893 | 26.9 | 18.0-40.1 |
| 3rd month after discharge | 8 | 818 | 9.8 | 4.9-19.6 |
| Chemotherapy only|| | ||||
| During chemotherapy | 75 | 1 080 | 69.4 | 55.4-87.1 |
| 1 mo after chemotherapy | 13 | 271 | 48.0 | 27.9-82.6 |
| 2 mo after chemotherapy | 5 | 224 | 22.3 | 9.3-53.7 |
| 3 mo after chemotherapy | —§ | —§ | 14.6 | 4.7-45.3 |
| Surgery and chemotherapy | ||||
| Chemotherapy during surgery recovery | —§ | —§ | 9.4 | 2.4-37.6 |
| Surgery during chemotherapy recovery¶ | 5 | 54 | 92.1 | 38.3-221.2 |
Per 1000 person-years.
Includes all cohort time except for the time during and 3 months after chemotherapy and during hospitalization for surgery and 3 months after discharge. This includes the entire study time for women who did not undergo either chemotherapy or surgery.
Excludes time during and 3 months after chemotherapy.
Number of outcome events and person-time are censored for cell frequencies <5, in line with CPRD policy.
Excludes time during hospitalization for surgery and 3 months after discharge.
Includes time during hospitalization for surgery and the 3 months after discharge.