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Table 6 Variables needed to score four post-operative scoring systems

From: Pre-operative risk scores for the prediction of outcome in elderly people who require emergency surgery

Scoring system Variables required
Cook and Day18 Age, ASA, gender, ICU admission, invasive monitoring.
Mannheim Peritonitis Index 28 Age, gender, presence of organ failure/cancer, duration of pre-op peritonitis, origin of sepsis, nature of peritonitis/exudate.
Surgical Risk Score47 ASA, NCEPOD score, BUPA score