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Pneumonia is a serious but a preventable stroke complication. Prediction scales for post-stroke pneumonia have been proposed with an intent to improve surveillance and prevention but they remain under-utilized in clinical practice. Most existing scales were developed using both ventilated and non-ventilated patients which may affect their accuracy. We derived and validated a novel, pragmatic scale to predict hospital-acquired pneumonia (HAP) after stroke employing only a non-ventilated stroke cohort.

All consecutive patients admitted with acute stroke to a large hospital in Boston, Massachusetts, were identified using International Classification of Diseases, 9th revision (ICD-9) codes for acute ischemic strokes, intracerebral hemorrhages and confirmed by chart review. The following exclusion criteria were used: stroke occurring after hospitalization, pneumonia on admission, intubation …