Table 2.
Cording report and BCRL development
| All | BCRL (RVC≥10%) | No BCRL (RVC <10%) | p-value | |
|---|---|---|---|---|
| Surveys | 4,193 | 621 | 3,572 | -- |
| Patients | 1,181 | 129 | 1,052 | -- |
| Average number of surveys per patient (mean) | 3.6 | 4.8 | 3.4 | -- |
| Median follow up (months post surgery) | 24.3 | 33.6 | 23.9 | <0.001 |
| Surveys that report cording | 867/1181 (20.7%) | 204/621 (32.9%) | 663/3572 (18.6%) | <0.001 |
| Patients that reported cording | 374/1181 (31.7%) | 57/129 (44.2%) | 317/1052 (30.1%) | <0.001 |
| Time of first cording report* | 4.5 (0.3, 195.2) | 4.1 (0.3, 60.6) | 4.8 (0.3, 195.2) | 0.443 |
| Time of any cording report* | 12.4 (0.3, 195.2) | 15.4 (0.3, 99.0) | 11.8 (0.3, 195.2) | 0.006 |
| Time of last cording report* | 13.2 (0.3, 195.2) | 14.3 (0.5, 99.0) | 12.4 (0.3, 195.2) | 0.010 |
| RVC/WAC at any cording report (%, median) | 1.0 (−17.5, 25.3) | 7.1 (−17.5, 25.3) | −0.2 (−13.1, 9.8) | <0.001 |
| Time of BCRL onset* | -- | 17.7 (3.0, 96.5) | -- | -- |
| Reported cording before/at BCRL onset | -- | 53/57 (95.0%) | -- | -- |
| Reported cording after BCRL onset | -- | 35/57 (61.4%) | -- | -- |
*
Median value shown with (range), (months after surgery).
Where RVC=relative volume change, WAC=weight adjusted change, BCRL=breast cancer-related lymphedema