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When evaluating a diagnostic test, it is common that a gold standard may not be available. One example is the diagnosis of SARS‐CoV‐2 infection using saliva sampling or nasopharyngeal swabs. Without a gold standard, a pragmatic approach is to postulate a “reference standard,” defined as positive if either test is positive, or negative if both are negative. However, this pragmatic approach may overestimate...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.