Skip to main content

Table 4 BDNF c.196G > A and NTRK2 c.1397-31392G > A alleles association and correlation of genotypes with AB and clinical presentation

From: Polymorphic variants in genes related to stress coping are associated with the awake bruxism

Parameter

BDNF c.196G > A (rs6265)

NTRK2 c.1397-31392G > A (rs1867283)

n = 104

GG

(n = 47)

GA

(n = 55)

AA

(n = 2)

[GG + GA] versus [AA]

OR, CI

P value

[GG] versus [GA + AA]

OR, CI

P value

[G] versus [A]

OR, CI

[A] versus [G]

OR, CI

GG

(n = 32)

GA

(n = 52)

AA

(n = 20)

[GG + GA] versus [AA]

OR, CI

P value

[GG] versus [GA + AA]

OR, CI

P value

[G] versus [A]

OR, CI

[A] versus [G]

OR, CI

P value

P value

The perceived stress level in sten scale (mean ± SD)

7.13 ± 1.15

7.11 ± 1.10

7.50 ± 2.12

NA

NA

NA

NA

7.22 ± 1.10

7.10 ± 1.16

7.25 ± 1.16

NA

NA

NA

NA

P = 0.840

P = 0.629

Attrition of anterior teeth

n = 78

40 (51.3%)

38 (48.7)

0 (0%)

OR = 1.40

CI = [0.07–30.17]

P = 0.460

OR = 2.86

CI = [1.08–7.57]

P = 0.031

OR = 2.10

CI = [1.08–4.09]

OR = 0.48

CI = [0.25–0.92]

26 (33.3%)

38 (48.7%)

14 (18%)

OR = 0.73

CI = [0.25–2.15]

P = 0.566

OR = 1.67

CI = [0.60–4.66]

P = 0.326

OR = 1.36

CI = [0.73–2.56]

OR = 0.73

CI = [0.39–1.38]

P = 0.026

P = 0.333

Attrition of posterior teeth

n = 44

28 (63.6%)

16 (36.4%)

0 (0%)

OR = 0.26

CI = [0.01–5.62]

P = 0.221

OR = 3.78

CI = [1.66–8.58]

P = 0.001

OR = 2.51

CI = [1.30–4.85]

OR = 0.40

CI = [0.21–0.77]

14 (31.8%)

26 (59.1%)

4 (9.1%)

OR = 0.28

CI = [0.09–0.89]

P = 0.025

OR = 1.09

CI = [0.47–2.53]

P = 0.843

OR = 1.49

CI = [0.85–2.60]

OR = 0.67

CI = [0.39–1.18]

P = 0.005

P = 0.164

Enamel cracks

n = 82

43 (52.5%)

37 (45.1%)

2 (2.4%)

OR = 1.40

CI = [0.07–30.17]

P = 0.460

OR = 4.96

CI = [1.55–15.94]

P = 0.004

OR = 2.08

CI = [1.03–4.17]

OR = 0.48

CI = [0.24–0.97]

22 (26.8%)

44 (53.7%)

16 (19.5%)

OR = 1.09

CI = [0.32–3.67]

P = 0.888

OR = 0.44

CI = [0.17–1.16]

P = 0.093

OR = 0.66

CI = [0.33–1.32]

OR = 1.51

CI = [0.76–3.00]

P = 0.038

P = 0.237

Impressions on the tongue

n = 70

33 (47.2%)

36 (51.4%)

1 (1.4%)

OR = 0.48

CI = [0.03–7.89]

P = 0.598

OR = 1.27

CI = [0.56–2.92]

P = 0.566

OR = 1.20

CI = [0.64–2.26]

OR = 0.83

CI = [0.44–1.57]

16 (22.9%)

38 (54.2%)

16 (22.9%)

OR = 2.22

CI = [0.68–7.25]

P = 0.178

OR = 0.33

CI = [0.14–0.80]

P = 0.012

OR = 0.48

CI = [0.26–0.88]

OR = 2.09

CI = [1.14–3.84]

P = 0.575

P = 0.016

  1. In bold were marked statistically significant and borderline significant results (P < 0.05). No corrections for the multiple statistical testing were made
  2. [GG + GA] versus [AA]—dominant model, risk allele: G; [GG] versus [GA + AA]—recessive model, risk allele: A