Fig. 4

The outcome of PTB patients according to different DD duration. Legend: TB = Tuberculosis; DD = Diagnostic delay. All-cause mortality is the radio of the death toll to the total number of included people. And the ratio between the number of people with unfavorable outcome and all included people is defined as the incidence of unfavorable outcome. Unfavorable outcome is defined as “died”, “treatment failed” and “not evaluated.”