Validation of Emergency Surgery Score (ESS) in predicting post-operative course in patients undergoing emergency laparotomy

This study is prospective observational study to verify efficacy of Emergency Surgery Score (ESS) in predicting any adverse event during the post-operative course of patients undergoing emergency laparotomy for non-trauma causes in Lok Nayak Hospital.  Primary outcome will be mortality incidence within 30 days of procedure. Secondary outcomes will include post-operative ICU admission,  post-operative complications, re-operation and readmission within 30 day period of procedure.