This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Prognosis in a case of duodenal perforation is determined by all except 
Select and explain. 
A. Age of the patient, B. Duration of history, C. Basal pneumonia, D. Peritonitis
C: Basal pneumonia
Answer: C: Basal pneumonia 
Explanation: None