Why the study?
Does routine measurement of prothrombin time on admission provide additional clinical information compared to history and physical examination?
Population
301 admissions to a Veterans Administration medical service
Design
Cross-sectional
Authors
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Abnormal PT is rare without suggestive history or exam; supports selective testing but leaves open effects on outcomes or efficiency.
Does routine measurement of prothrombin time on admission provide additional clinical information compared to history and physical examination?
Routine prothrombin time testing on admission adds little value in patients without specific clinical evidence of liver disease, anticoagulation, or bleeding disorders.
Eisenberg et al. (1976) studied this question.
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