Persistent Postconcussion Symptom Risk Decision Tool

Persistent Postconcussion Symptom Risk
[select name="Q1" value="8 to 12 Years (1 Point)=1|13 to 17 Years (2 Points)=2"] <-- Age
[select name="Q2" value="Male (0 Points)=0|Female (2 Points)=2"] <-- Gender
[select name="Q3" value="Absent (0 Points)=0|Present (2 Points)=2"] <-- Fatigue
[select name="Q4" value="No (0 Points)=0|Yes (1 Point)=1"] <-- Prior concussion with symptom duration of one week or more
[select name="Q5" value="No (0 Points)=0|Yes (1 Point)=1"] <-- Four or more errors on the tandem stance test* 
*For the tandem stance test, patients are instructed to stand heel to toe with the nondominant foot in the back for 20 seconds with their hands on their hips and eyes closed.  An error is moving out of this position to regain balance indicating impaired postural stability.
[select name="Q6" value="No (0 Points)=0|Yes (1 Point)=1"] <-- History of physician-diagnosed migraine
[select name="Q7" value="No (0 Points)=0|Yes (1 Point)=1"] <-- Answering questions slowly
[select name="Q8" value="No (0 Points)=0|Yes (1 Point)=1"] <-- Headache
[select name="Q9" value="No (0 Points)=0|Yes (1 Point)=1"] <-- Sensitivity to noise
Score --> [calc memo="Score" value="score=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)+(Q7)+(Q8)+(Q9)"] points
Risk of postconcussion symptoms (such as headache, fatigue, inattentiveness, or forgetfulness) more than 28 days after the initial trauma --> [calc memo="Interpretation" value="score=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)+(Q7)+(Q8)+(Q9);score>8?'High - 61.7% estimated risk (range 57.1% to 80.8%)':score>3?'Medium - 30.4% estimated risk (range 16.4% to 47.6%)':'Low - 10.5% estimated risk (range 4.1% to 11.8%)'"]
[checkbox memo="References (Hide/Show)" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).isNot('')"]
[link url="http://www.aafp.org/afp/2016/1215/p1006.html" memo="McConaghy J, Earl A (2016) Am Fam Physician. 94(12):1006-1007."]
[link url="https://www.ncbi.nlm.nih.gov/pubmed/26954410" memo="Zemek R, Barrowman N, Freedman SB, et al.; Pediatric Emergency Research Canada (PERC) Concussion Team. (2016) JAMA. 315(10):1014-25."][/conditional]