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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Sex Transm Dis. 2018 Dec;45(12):829–833. doi: 10.1097/OLQ.0000000000000883

Table 1.

Comparison of lab A, B and C results.

B\A positive negative Total
Positive 76 5 81
Negative 21 113 134
Total 97 118 215
C\A positive negative Total
Positive 62 3 65
Negative 35 115 150
Total 97 118 215
C\B positive negative Total
Positive 65 0 65
Negative 16 134 150
Total 81 134 215