Table. 2.

Performance of laboratories in the microscopic examination of stool in clinical parasitology (2019)

Trial no. Specimen no. No. of participants Organisms identified with acceptable accuracy No. (%) Organisms identified with unacceptable accuracy No. (%)
Trial I MPI-19-01 220 No parasite seen 218 (99.1) Clonorchis spp. 1 (0.5)
Metagonimus yokogawai 1 (0.5)
MPI-19-02 220 Taenia spp. 219 (99.5) Ascaris spp. 1 (0.5)
MPS-19-01 221 Clonorchis spp. 209 (94.6) Metagonimus yokogawai 10 (4.5)
Paragonimus spp. 2 (0.9)
Trial II MPI-19-03 211 Giardia lamblia 194 (91.9) Entamoeba histolytica/E. dispar 9 (4.3)
Cryptosporidium spp. 2 (0.9)
Cystoisospora (Isospora) belli ocysts 1 (0.5)
Entamoeba coli 1 (0.5)
Hookworm 1 (0.5)
Metagonimus yokogawai 1 (0.5)
Sarcoptes scabiei 1 (0.5)
Taenia spp. 1 (0.5)
MPI-19-04 211 Sarcoptes scabiei 207 (98.1) Sarcocystis spp. oocysts 3 (1.4)
Entamoeba coli 1 (0.5)
MPI-19-05 211 No parasite seen 211 (100.0)
Trial III MPI-19-06 216 No parasite seen 215 (99.5) Trichomonas hominis 1 (0.5)
MPI-19-07 216 Plasmodium vivax 209 (96.8) Plasmodium malariae 7 (3.2)
MPI-19-08 216 Trichuris trichiura 213 (98.6) Clonorchis spp. 3 (1.4)
Subtotal MPI 1,721 1,686 (98.0)* 35 (2.0)
MPS 221 209 (94.6)* 12 (5.4)
Total 1,942 1,895 (97.6) 47 (2.4)

*P=0.001983; significant difference was determined statistically.

J Lab Med Qual Assur 2020;42:177~182 https://doi.org/10.15263/jlmqa.2020.42.4.177
© Lab Med Qual Assur