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Table 4 Meta-Analysis for Association of the four candidate SNPs with generalized Aggressive Periodontitis (gAgP) using the adjusted data from the Greifswald cohort and those published by Schaefer and co-workers [17]

From: Replication of the association of chromosomal region 9p21.3with generalized aggressive periodontitis (gAgP) using an independent case-control cohort

 

SNP ID

P

Greifswald cohort

n

Greifswald cohort

P

Schaefer et al. cohort

n

Schaefer et al. cohort

P

Meta-Analysis

P (BON)

Meta-Analysis

Recessive model

rs2891168

3.18 × 10-01

468

8.80 × 10 -04

879

1.06 × 10-03

4.22 × 10-03

 

rs1333042

2.88 × 10-01

466

1.60 × 10 -03

879

1.49 × 10-03

5.95 × 10-03

 

rs1333048

1.18 × 10-01

468

6.90 × 10 -04

876

2.49 × 10 -04

9.97 × 10 -04

 

rs496892

2.20 × 10-01

468

1.50 × 10-01

862

5.92 × 10-02

2.37 × 10-01

Multiplicative

model

rs2891168

6.44 × 10-02

468

4.40 × 10-03

879

6.97 × 10 -04

2.79 × 10 -03

 

rs1333042

9.51 × 10-02

466

4.80 × 10-03

879

1.10 × 10 -03

4.42 × 10 -03

 

rs1333048

4.22 × 10 -02

468

2.50 × 10-03

876

2.73 × 10-04

1.09 × 10-03

 

rs496892

4.51 × 10 -02

468

2.40 × 10 -02

862

2.65 × 10 -03

1.06 × 10 -02

Dominant model

rs2891168

4.73 × 10 -02

468

1.40 × 10-01

879

1.82 × 10-02

7.28 × 10-02

 

rs1333042

9.99 × 10-02

466

1.20 × 10-01

879

2.60 × 10-02

1.04 × 10-01

 

rs1333048

7.95 × 10-02

468

9.60 × 10-02

876

1.74 × 10-02

6.95 × 10-02

 

rs496892

4.94 × 10-02

468

2.60 × 10-02

862

3.10 × 10-03

1.24 × 10-02

  1. Association statistics are shown for the Greifswald total cohort consisting of cases affected with gAgP and control subjects unaffected by gAgP and for the gAgP cases and the corresponding controls described in Schaefer et al. (2009) [17]. P: p-values obtained by logistic regression using PLINK; n: Number of individuals in the corresponding cohorts; P Meta-Analysis and P (BON) Meta-Analysis: p-values of the Meta-Analyses using z statistics before and after Bonferroni correction. Values are given after adjustment for the covariates smoking and gender. The parameters for the genetic models producing the strongest significant associations are given in boldface for each SNP before and after Bonferroni correction.