Oral Biology Research

Table. 1.

Comparison of Rapid ID 32 Strep identification with 16S rRNA gene sequencing identification of clinical α-hemolytic streptococci at the group and species levels

Species by 16S rRNA
sequencing
No. of
isolates
Agreement by Rapid ID32 Strep, n (%)
Mitis group 10 7 (70)a
S. mitis 6 3 (50)b
S. oralis 2 2 (100)
S. australis 1 0 (0)
Sanguinis group 23 21 (91)
S. sanguinis 7 7 (100)
S. gordonii 13 13 (100)
S. cristatus 3 0 (0)
Anginosus group 28 23 (82)
S. anginosus 24 16 (67)
S. constellatus 4 4 (100)
Salivarius group 17 17 (100)
S. salivarius 17 17 (100)
Mutans group 7 6 (86)
S. mutans 7 6 (86)
Total 85
Total agreement by group 74 (87)
Total agreement by species 68 (80)

aPercentage of isolates assigned to correct group by a test. bPercentage of isolates assigned to correct species by a test.

Oral Biol Res 2021;45:115~118 https://doi.org/10.21851/obr.45.03.202109.115
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