CHA(2)DS(2)-VASc Score for Nonvalvular Atrial Fibrillation

CHA(2)DS(2)-VASc Score for Nonvalvular Atrial Fibrillation
[select name="Q1" value="no (0 points)=0|YES (1 point)=1"] <-- Congestive heart failure
[select name="Q2" value="no (0 points)=0|YES (1 point)=1"] <-- Hypertension
[select name="Q3" value="less than 65 years (0 points)=0|65-74 years (1 point)=1|75 years or over (2 points)=2"] <-- Age
[select name="Q4" value="no (0 points)=0|YES (1 point)=1"] <-- Diabetes mellitus
[select name="Q5" value="no (0 points)=0|YES (2 points)=2"] <-- Stroke/TIA/Thromboembolic
[select name="Q6" value="no (0 points)=0|YES (1 point)=1"] <-- Vascular disease  (prior MI, PAD, or aortic plaque)
[select name="Q7" value="no (0 points)=0|YES (1 point)=1"]  <-- Sex category - Female
Score --> [calc memo="number" value="score1=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)+(Q7)"] / 9 points
Result (Annual stroke risk) --> [calc memo="percentage" value="score2=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)+(Q7);score2>6?'greater than 10%':score2>5?'9.7%':score2>4?'7.2%':score2>3?'4.8%':score2>2?'3.2%':score2>1?'2.2%':score2>0?'0.6%':'0.0%'"]
Interpretation --> [calc memo="interpretation" value="score3=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)+(Q7);score3>2?'Oral anticoagulation recommended':score3>0?'Oral anticoagulation (preferred) or Aspirin':'No therapy (preferred) or Aspirin'"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
references:  
[link url="http://www.ncbi.nlm.nih.gov/pubmed/19762550" memo="#1"] Lip GY, Nieuwlaat R, Pisters R, Lane DA, Crijns HJ. Refining clinical risk stratification for predicting stroke and thromboembolism in atrial fibrillation using a novel risk factor-based approach: the euro heart survey on atrial fibrillation. Chest. 2010 Feb;137(2):263-72.
[link url="http://www.ncbi.nlm.nih.gov/pubmed/22891166" memo="#2"] Lane DA, Lip GY. Use of the CHA(2)DS(2)-VASc and HAS-BLED scores to aid decision making for thromboprophylaxis in nonvalvular atrial fibrillation. Circulation. 2012 Aug 14;126(7):860-5. [/conditional]