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Table 3 Analysis of the missense mutation rates in relation to caries status

From: Genetic polymorphism of scrA gene of Streptococcus mutans isolates is not associated with biofilm formation in severe early childhood caries

Codon

S-ECC (n)

CF (n)

x 2

P- values

10 A → Ga

28

28

—

1.000*

65 C → T

2

0

—

0.492*

103 G → A

1

0

—

1.000*

284 C → T

1

1

—

1.000*

289 G → A

1

0

—

1.000*

925 A → G

5

7

0.417

0.519

1444 G → A

2

0

—

0.492*

1487 T → C

20

21

0.077

0.781

1494 A → T

1

1

—

1.000*

1508 C → T

3

1

—

0.612*

1553 C → T

1

1

—

1.000*

1576 G → A

1

1

—

1.000*

1786 A → G

1

1

—

1.000*

1822 A → G

28

24

—

0.254*

1863 A → G

28

24

—

0.254*

1886 A → G

1

1

—

1.000*

1925 C → T

1

0

—

1.000*

  1. * A chi-square test
  2. aA → G, A represents the 10 locus base in UA159, G represents the 10 locus base in the clinical strains