17 values: Acquired Coagulopathy, Chronic Alcohol Abuse, Chronic Obstructive Pulmonary Disease, Congestive Heart Failure, Coronary Artery Disease, Coumadin Therapy, Documented History of Cirrhosis, Gastric or Esophageal Varices, Hypertension, Insulin Dependent, Myocardial Infarction, Non-Insulin Dependent, Obesity, Pre-existing Anemia, Routine Steroid Use, Serum Creatinine > 2 mg % (on Admission), Spinal Cord Injury. Here, INS is linked to varicose disease.