Pain in Affected Leg

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Nocturnal Cramps

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Heaviness or Limb Fatigue

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Paresthesias (Tingling or Numbness)

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Pruritus (Itching) in Affected Leg

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Pretibial Edema (Physical Exam Sign)

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Skin Induration (Lipodermatosclerosis)

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Hyperpigmentation (Clinical Sign)

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Redness (Erythema) — Clinical Sign

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Venous Ectasia (Superficial Venous Dilation) — Clinical Sign

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Pain on Calf Compression — Clinical Sign (Homan's Sign Equivalent)

0 — Absent+01 — Mild+12 — Moderate+23 — Severe+3

Villalta Scale for Post-Thrombotic Syndrome