miR-21 induces endothelial progenitor cells proliferation and angiogenesis via targeting FASLG and is a potential prognostic marker in deep venous thrombosis

Table 2 Villalta scale for assessment of PTS

	Absent	Mild	Moderate	Severe
Patient-rated venous symptoms
Pain	0	1	2	3
Cramps	0	1	2	3
Heaviness	0	1	2	3
Paraesthesia	0	1	2	3
Pruritus	0	1	2	3
Clinician-rated signs
Pretibial edema	0	1	2	3
Skin induration	0	1	2	3
Hyperpigmentation	0	1	2	3
Pain during calf compression	0	1	2	3
Venous ectasia	0	1	2	3
Redness	0	1	2	3

Each symptom/sign rated as 0 (absent), 1 (mild), 2 (moderate) or 3 (severe); all numeric points are summed to yield a total score: PTS is considered absent if the Villalta score is < 4; mild PTS, 5–9; moderate PTS, 10–14; and severe PTS if the score is ≥ 14 or an ulcer is present

ISSN: 1479-5876