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Table 1 Performance of ITS1 vs ITS2-PCR in 720 dog samples

From: Molecular characterization of Dirofilaria spp. circulating in Portugal

  D. immitis A. reconditum Mixed K P
  Positive (%) Negative (%) Positive (%) Positive (%)   
ITS1 67 (9.3) 652 (90.6) 1 (0.1) 0 (0) 0.767 0.037
ITS2 93 (12.9) 620 (86.1) 5 (0.7) 2 (0.3)   
  1. K: level of agreement (K = 0.767, P = 0.037) between each pair of tests (positive or negative results in both tests)