Primary outcome measure
Tuberculosis suspicion rate
Secondary outcome measures	Recommended standards
Proportion of individuals with cough ≥2 weeks suspected of tuberculosis	ISTC, Standard 1: All persons with otherwise unexplained cough lasting 2–3 weeks or more should be evaluated for tuberculosisa
Proportion of individuals with cough ≥2 weeks referred for sputum smear microscopy Proportion of individuals who are suspected of tuberculosis referred for sputum smear microscopy	ISTC, Standard 2: All patients (adults, adolescents, and children who are capable of producing sputum) suspected of having pulmonary tuberculosis should have at least two, and preferably three, sputum specimens obtained for microscopic examinationa
Proportion of individuals with a positive WHO-TB screen suspected of TB Proportion of individuals with a positive WHO-TB screen referred for sputum smear microscopy	WHO: Adults and adolescents living with HIV and screened for TB with a clinical algorithm and who report any one of the symptoms of current cough, fever, weight loss, or night sweats may have active TB and should be evaluated for TB and other diseasesb¶

^aInternational Standards for Tuberculosis Care, 2006 (10).

^bWHO guidelines for tuberculosis screening among PLHIV, 2011 (9).