Can you please clarify which rate is used for the performance score?

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention Percentage of patients aged 18 years and older who were screened for tobacco use one or more times during the measurement period AND who received tobacco cessation intervention during the measurement period or in the six months prior to the measurement period if identified as a tobacco user.

Three rates are reported:

a. Percentage of patients aged 18 years and older who were screened for tobacco use one or more times during the measurement period

b. Percentage of patients aged 18 years and older who were identified as a tobacco user during the measurement period who received tobacco cessation intervention during the measurement period or in the six months prior to the measurement period

c. Percentage of patients aged 18 years and older who were screened for tobacco use one or more times during the measurement period AND who received tobacco cessation intervention during the measurement period or in the six months prior to the measurement period if identified as a tobacco user