Physiological Score
Glasgow Coma Scale (GCS)
15 (1 point)
12-14 (3 points)
9-11 (5 points)
6-8 (8 points)
3-5 (12 points)
Age (Years)
Less than 60 (1 point)
60-69 (3 points)
70-79 (5 points)
80-89 (8 points)
90+ (12 points)
Cardiac Status
No cardiac failure (1 point)
Controlled CHF (3 points)
Arrhythmia (5 points)
Acute MI within 6 months (8 points)
Uncontrolled CHF (12 points)
Respiratory Status
No dyspnoea (1 point)
Mild dyspnoea (3 points)
Moderate dyspnoea (5 points)
Severe dyspnoea (8 points)
Respiratory failure (12 points)
Systolic Blood Pressure (mmHg)
130-170 (1 point)
170-200 (3 points)
100-129 (3 points)
201+ (5 points)
50-99 (5 points)
Less than 50 (8 points)
Pulse Rate (bpm)
50-100 (1 point)
101-110 (3 points)
40-49 (3 points)
111-120 (5 points)
121+ (8 points)
Less than 40 (8 points)
White Blood Cells (WBC x 10^9/L)
4-10 (1 point)
3-3.9 (3 points)
10.1-20 (3 points)
2.1-2.9 (5 points)
20.1+ (5 points)
Less than 2 (8 points)
Sodium (Na+) (mmol/L)
136-140 (1 point)
130-135 (3 points)
141-145 (3 points)
120-129 (5 points)
146-150 (5 points)
Less than 120 (8 points)
More than 150 (8 points)
Potassium (K+) (mmol/L)
3.5-5.0 (1 point)
3.2-3.4 (3 points)
5.1-5.4 (3 points)
2.9-3.1 (5 points)
5.5-5.9 (5 points)
Less than 2.9 (8 points)
More than 5.9 (8 points)
Operative Score
Magnitude of Operation
Minor (1 point)
Intermediate (3 points)
Major (5 points)
Major+ (8 points)
Multiple Procedures
No (1 point)
Yes (5 points)
Estimated Blood Loss (mL)
Less than 100 (1 point)
100-499 (3 points)
500-999 (5 points)
1000-1999 (8 points)
2000+ (12 points)
Peritoneal Contamination
None (1 point)
Minor (3 points)
Moderate (5 points)
Major (8 points)
Presentation
Elective (1 point)
Emergency (5 points)
Malignancy
No (1 point)
Yes (5 points)
Calculate P-POSSUM Score
Calculation Results
Physiological Score (PS):
–
Operative Score (OS):
–
Total P-POSSUM Score:
–
Predicted Mortality:
–
Predicted Morbidity:
–
