Diverticulitis Decision Rule

Diverticulitis Decision Rule
[select name="Q1" value="No=0|YES=1"] <-- Direct tenderness only in the left lower quadrant
[select name="Q2" value="No=1|YES=1"] <-- Absence of vomiting
[select name="Q3" value="No=0|YES=1"] <-- C-reactive protein >50 mg/L
Interpretation --> [calc value="score=(Q1)+(Q2)+(Q3);
score>2?'Diverticulitis Likely - Imaging not required - 97 percent positive predictive value for suspected cases':'Unable to Diagnose Clinically - Imaging required'" memo="Interpretation"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
reference:
[link url="//www.ncbi.nlm.nih.gov/pubmed/20485003" memo="#1"] Laméris W, van Randen A, van Gulik TM, Busch OR, Winkelhagen J, Bossuyt PM, Stoker J, Boermeester MA. A clinical decision rule to establish the diagnosis of acute diverticulitis at the emergency department. Dis Colon Rectum. 2010 Jun;53(6):896-904.
[/conditional]