Table 2

Prevalence of lic1 locus copy number and licD alleles in NT H. influenzae and H. haemolyticus

Genotype

H. influenzae n = 88 (%)

H. haemolyticus n = 109 (%)

PRa

P valuec


lic1 copy number

0

7 (8.0)

63 (57.8)

0.14

< .0001

1

74 (84.0)

46 (42.2)

2.18

< .0001

2

7 (8.0)

0 (0)b

ND

.0031

single licD alleles

licDI

40 (45.5)

1 (0.92)

49.5

< .0001

licDIII

14 (15.9)

23 (21.1)

0.75

.6647

licDIV

20 (22.7)

23 (21.1)

1.07

.3536

dual licD alleles

licDIV-licDIII

4 (4.5)

0 (0)

ND

.0383

licDI-licDIII

1 (1.1)

0 (0)

ND

.4467

licDI-licDIV

1 (1.1)

0 (0)

ND

.4467

licDI-licDI

1 (1.1)

0 (0)

ND

.4467


a Prevalence ratios (PR) were calculated for H. influenzae using H. haemolyticus as the referent group.

b Logit, 0.5 used in place of 0 for PR and statistical calculations.

c P < 0.05 is considered statistically significant using χ2 analysis.

McCrea et al. BMC Microbiology 2010 10:286   doi:10.1186/1471-2180-10-286

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