==== GOLD Grades ====

=== Spirometric Assessment ===
^ Grade ^ FEV1 Percent Predicted ^ Severity ^
|1| ≥80%|Mild|
|2|50% − 79%|Moderate|
|3|30% − 49%|Severe|
|4|<30%|Very Severe|

=== Exacerbation Assessment ===
  * ≥1 Hospitalization?
    * YES: Group E
    * NO: Next bullet point
  * ≥2 Outpatient Prednisone courses?
    * YES: Group E
    * NO: Assess HRQoL symptoms
  * mMRC ≥ 2 OR CAT ≥ 10
    * YES: Group B
    * NO: Group A