Table 2 HCN to CO2 ratio of P. gingivalis strains at 24, 48 and 72 hours.

From: Detection of hydrogen cyanide from oral anaerobes by cavity ring down spectroscopy

P. gingivalisstrains

HCN: CO2-ratio (ppb: %)

Mean ± s.d. (n = 6)

CV (%)a

24 h

48 h

72 h

ATCC 33277

0.96

1.16

1.02

1.0 ± 0.1

10

W50

1.14

0.95

1.08

1.1 ± 0.1

9

OMG 434

0.17

0.30

0.40

0.3 ± 0.1

39

4753E

1.32

1.13

0.90

1.1 ± 0.2

19

  1. aThe coefficient of variation (CV) is defined as the standard deviation divided by the mean value.