Villalta Score for Post-Thrombotic Syndrome (PTS)Loading...PainAbsent0Mild+1Moderate+2Severe+3CrampsAbsent0Mild+1Moderate+2Severe+3HeavinessAbsent0Mild+1Moderate+2Severe+3ParesthesiaAbsent0Mild+1Moderate+2Severe+3PruritusAbsent0Mild+1Moderate+2Severe+3Peritibial edemaAbsent0Mild+1Moderate+2Severe+3Skin durationAbsent0Mild+1Moderate+2Severe+3HyperpigmentationAbsent0Mild+1Moderate+2Severe+3RednessAbsent0Mild+1Moderate+2Severe+3Venous ectasiaAbsent0Mild+1Moderate+2Severe+3Pain on calf compressionAbsent0Mild+1Moderate+2Severe+3Venous ulcerAbsent0Present+15