A clinical microbiology laboratory compared the frequency of isolation of DNA hybridization probe to a culture method for the sexually transmitted bacteriumNeisseria gonorrhaeae.The frequency of isolation from clinical specimens was historically 10%. The lab ran 100 split samples, and the results are presented in the table below.

Table. Comparison of the Distribution of Negative and Positive Results for the DNA Probe and Culture Methods.

Culture Results

DNA Probe Results

Positive

Negative

Positive

9

2

Negative

1

88

Calculate the positive predictive value?

A.0.1022 or 10.22%

B.0.8182 or 81.82%

C.0.90 or 90%

D.0.88 or 88%