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  Indian J Med Microbiol
 

Figure 1: Example of a study design for category 2 cross-sectional *Here A refers to the diagnostic test of interest and R is the reference standard. †Both A and R are carried out without significant time delay. The analysis would compare results of A to R

Figure 1: Example of a study design for category 2 cross-sectional *Here A refers to the diagnostic test of interest and R is the reference standard. †Both A and R are carried out without significant time delay. The analysis would compare results of A to R