Table 1 Missing data
Assessment | Follow-up (months) | Missing data, N(%) | ||
|---|---|---|---|---|
Case report form | Questionnaire | Missing on at least one | ||
Swelling groin or lower extremities | 3 | 163 (4%) | 163 (4%) | 321 (8%) |
Complications and readmissions | 3 | 150 (4%) | 0 | 150 (4%) |
12 | 372 (10%) | 0 | 372 (10%) | |
24 | 1822 (49%) | 0 | 1822 (49%) | |
Reoperations | 12 | 300 (8%) | 351 (9%) | 556 (15%) |
24 | 1426 (38%) | 356 (10%) | 1628 (44%) | |
Additional (chemo) radiotherapy after surgery or due to local recurrence or metastases | 12 | 251 (7%) | 303 (8%) | 524 (14%) |
24 | 555 (15%) | 373 (10%) | 843 (23%) | |
Local recurrence and metastases | 12 | 809 (22%) | 0 | 809 (22%) |
24 | 870 (23%) | 0 | 870 (23%) | |