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Table 2 Candidate single-nucleotide polymorphisms selected for replication from constant effect analysis

From: PTGER4 gene variant rs76523431 is a candidate risk factor for radiological joint damage in rheumatoid arthritis patients: a genetic study of six cohorts

    

Discovery cohort

Replication cohort

Overall cohort (n = 6)

SNP

Position

RegulomeDB score

Westra et al. [27] cis-eQTL p value (gene)

Pooled ES (95 % CI)

Pooled p valuea

I 2 value

Pooled ES (95 % CI)

Pooled p valuea

I 2 value

Pooled ES (95 % CI)

Pooled p-valuea

I 2 value

rs348561

40312392

5

0.82 (0.67–0.996)

0.05

0.03

0.99 (0.90–1.08)

0.81

0

0.94 (0.86–1.04)

0.23

0.23

rs115430320

40318274

0.55 (0.39–0.80)

0.001

0

0.96 (0.80–1.15)

0.68

0.34

0.86 (0.74–1.02)

0.19

0.51

rs348601

40320006

5

0.86 (0.74–0.999)

0.05

0

0.94 (0.87–1.02)

0.45

0.42

0.92 (0.86–0.99)

0.03

0.23

rs394213

40333751

3a

0.76 (0.63–0.91)

0.003

0

0.97 (0.88–1.06)

0.45

0

0.92 (0.85–1.0005)

0.05

0.35

rs35870239

40344952

0.74 (0.59–0.93)

0.01

0.15

0.98 (0.88–1.09)

0.69

0

0.93 (0.84–1.02)

0.13

0.35

rs62359777

40350759

6

0.81 (0.68–0.95)

0.01

0

0.96 (0.86–1.08)

0.50

0.91 (0.83–0.999)

0.05

0.38

rs75248677

40365721

5

0.71 (0.56–0.90)

0.005

0.38

0.94 (0.84–1.07)

0.35

0

0.89 (0.80–0.99)

0.04

0.36

rs56049341

40376614

5

2.44 (1.28–4.66)

0.01

0

1.34 (0.72–2.51)

0.36

1.79 (1.14–2.81)

0.01

0

rs56027413

40382134

2b

1.18 (1.003–1.40)

0.05

0

1.03 (0.94–1.12)

0.55

0.19

1.06 (0.98–1.15)

0.14

0.02

rs12520940

40382428

4

0.81 (0.67–0.98)

0.03

0.33

1.00 (0.91–1.10)

0.98

0

0.96 (0.88–1.05)

0.35

0.31

rs1876140

40505752

3.68x10–15 (PTGER4)

0.80 (0.66–0.97)

0.03

0

1.05 (0.96–1.16)

0.36

0.43

0.997 (0.91–1.09)

0.75

0.52

rs1876143

40521648

2b

7.32x10–13 (PTGER4)

0.80 (0.66–0.96)

0.02

0

1.06 (0.96–1.17)

0.25

0.12

0.999 (0.92–1.09)

0.68

0.52

  1. ES effect size, PTGER4 prostaglandin E receptor 4, SNP single-nucleotide polymorphism
  2. Data are based on pooled analysis in the discovery cohort, replication cohort, and all six overall cohorts
  3. aRandom effects p value was used if I 2 value was ≥0.4. Otherwise, fixed effects p value was used