BAP-65 score for risk stratification in acute exacerbations of Chronic Obstructive Pulmonary Disease (COPD)

BAP-65 score for risk stratification in acute exacerbations of COPD
[comment memo="Stratified risks are in-hospital mortality & mechanical ventilation requirement.  "]
Based on information available at initial hospital presentation...
[select name="bun" value="NO=0|YES=1"] <-- BUN greater than or equal to 25 mg/dL?
[select name="ms" value="NO=0|YES=10"] <-- Altered Mental Status (initial Glasgow Coma score < 14 or a designation by the physician of disorientation, stupor, or coma)?
[select name="pulse" value="NO=0|YES=10"] <-- Pulse greater than or equal to 109 beats/minute?
[select name="age" value="NO=0|YES=10"] <-- Age greater than 65 years?
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Interpretation: [calc value="score=(bun)+(ms)+(pulse)+(age); score>29?'Class V - 26.2 percent in-hospital mortality, 54.6 percent require mechanical ventilation':score>19?'Class IV - 12.7 percent in-hospital mortality, 30.1 percent require mechanical ventilation.':score>9?'Class III - 3.7 percent in-hospital mortality, 8.4 percent require mechanical ventilation.':score>0?'Class II - 1.4 percent in-hospital mortality, 2.2 percent require mechanical ventilation.':'Class I - 0.5 percent in-hospital mortality, 2.1 percent require mechanical ventilation.'" memo="score interpretation"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
reference:  
[link url="//www.ncbi.nlm.nih.gov/pubmed/21527510" memo="#1] Shorr (2011) Chest 140:1177-1183[/conditional]