Table 1.

The 12 Physiologic Indices and Six Operative Indices Used for Calculating the POSSUM Score.

Physiologic Indices Operative Indices
Age Hemoglobin Operative severity
Cardiac history White cell count Multiple surgeries
Respiratory history Urea Total blood loss
Pulse rate Sodium Peritoneal spillage
Blood pressure Potassium Malignancy
Glasgow coma scale Electrocardiogram Mode of surgery

A total of 18 indices must be entered to derive a POSSUM score. The score could be unreliable if any one index is missing.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2018 January; 9(1): e0004. ISSN: 2076-9172
Published online 2018 January 29. doi: 10.5041/RMMJ.10316