BAP-65 Score Calculator

Severity assessment for acute exacerbation of COPD (AECOPD).

BAP-65 Criteria

Select all criteria that apply:

B - BUN ≥25 mg/dL

A - Altered mental status

P - Pulse ≥109/min

65 - Age ≥65 years

BAP-65 Mnemonic

BUN ≥25 mg/dL
Altered mental status
Pulse ≥109/min
65 years or older

BAP-65 Score

0/4

Class I - Low Risk

Mortality

0.3%

Need for MV

0.3%

Clinical Recommendation

Low risk. Consider outpatient management if other factors favorable. Low probability of needing mechanical ventilation.

Risk by Class

Class 1 (Score 0): 0.3% mortality, 0.3% MV
Class 2 (Score 1): 1.0% mortality, 0.2% MV
Class 3 (Score 2): 2.2% mortality, 1.2% MV
Class 4 (Score 3): 6.4% mortality, 5.5% MV
Class 5 (Score 4): 14.1% mortality, 12.4% MV

Clinical Application

BAP-65 is validated for patients with acute COPD exacerbation. It helps predict need for invasive mechanical ventilation and in-hospital mortality, guiding ICU vs floor admission decisions.

Disposition Guide

Class I-II: General floor, consider step-down
Class III: Monitored bed or step-down
Class IV-V: ICU admission recommended