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. 2021 May 19;8(1):e000590. doi: 10.1136/bmjgast-2020-000590

Table 3.

Correlation of nasopharyngeal swab and anal swab of the study population

Positive nasopharyngeal swab (n) Negative nasopharyngeal swab (n)
Positive anal swab (n) 44 1 45
Negative anal swab anal (n) 76 15 91