The “PES” score to assess the risk of pneumonia due to Pseudomonas aeruginosa, Enterobacteriaceae with extended-spectrum β-lactamases and methicillin-resistant Staphylococcus aureus pathogens
Age, years
<40
0
40–65
1
>65
2
Male
1
Previous antibiotic use
2
Chronic respiratory disorder
2
Chronic renal disease
3
At emergency
Consciousness impairment
2
Fever
−1
Risk scores for infection are low: ≤1, moderate: 2–4, high: ≥5.