Fig. 4

The patient, diagnostic and total delays stratified by case finding strategies and the year of tuberculosis diagnosis in Yunnan, 2013–2015 Days of patient delay: Date from the onset of tuberculosis symptoms to date of the patient’s first home visit for ACF or date to a healthcare facility for PCF. Days of diagnostic delay: Date of patient’s first visit to date of the confirmation of tuberculosis diagnosis by sputum smear or culture. Days of total delay: The sum of patient delay and diagnostic delay. * Wilcoxon rank sum test showed P-value < 0.05 between different case finding strategies between 2013 and 2015