Symptoms
Clinical signs
Venous ulcer
Symptoms
Pain
0: None
1: Mild
2: Moderate
3: Severe
Cramps
0: None
1: Mild
2: Moderate
3: Severe
Heaviness
0: None
1: Mild
2: Moderate
3: Severe
Paresthesia
0: None
1: Mild
2: Moderate
3: Severe
Pruritus
0: None
1: Mild
2: Moderate
3: Severe
Clinical signs
Pretibial edema
0: None
1: Mild
2: Moderate
3: Severe
Skin induration
0: None
1: Mild
2: Moderate
3: Severe
Hyperpigmentation
0: None
1: Mild
2: Moderate
3: Severe
Redness
0: None
1: Mild
2: Moderate
3: Severe
Venous ectasia
0: None
1: Mild
2: Moderate
3: Severe
Pain on calf compression
0: None
1: Mild
2: Moderate
3: Severe
Venous ulcer
Absent: None
Present: Severe

Villalta score ≥5 or if venous ulcer present: Villalta score of 5-9 mild, 10-14 moderate, and ≥15 severe.

Modified from Villalta S, Bagatella P, Piccioli A, Lensing AW, Prins MH, Prandoni P. Assessment of validity and reproducibility of a clinical scale for the postthrombotic syndrome [abstract]. Haemostasis 1994;24:158a.