Research Article

Microarray-Based Detection and Clinical Evaluation for Helicobacter pylori Resistance to Clarithromycin or Levofloxacin and the Genotype of CYP2C19 in 1083 Patients

Table 4

Microarray and sequencing results of 23S rRNA.

23S rRNA (A2142G, A2143G)Sequencing
GA/AG/GGAATotal

Microarray
 GA/AG/GG25514269
 AA11411422
 Total266425691

A sensitivity of 95.86%, specificity of 96.71%, positive predictive value of 94.80%, and negative predictive value of 97.39% for microarray detection of 23S rRNA.