| Guideline No. |
GRADE of recommendation |
Level of evidence |
| 7.1 |
1 |
B |
| We recommend that the revised Venous Clinical Severity Score is used for assessment of clinical outcome after therapy for varicose veins and more advanced chronic venous disease. |
Guideline No. |
GRADE of recommendation |
Level of evidence |
| 7.2 |
1 |
B |
| We recommend that quality-of-life assessment is performed with a disease-specific instrument to evaluate patient-reported outcome and the severity of chronic venous disease. |
Guideline No. |
GRADE of recommendation |
Level of evidence |
| 7.3 |
1 |
B |
| We recommend duplex scanning for follow-up of patients after venous procedures who have symptoms or recurrence of varicose veins. |
Guideline No. |
GRADE of recommendation |
Level of evidence |
| 7.4 |
1 |
B |
| We recommend reporting procedure-related minor and major complications after therapy. |