Table 3 Two-sample MR analysis results for chronic pain and sleep disturbance.

From: Polygenic evidence and overlapped brain functional connectivities for the association between chronic pain and sleep disturbance

Outcome

#SNP

 

Mendelian randomization

IVW regression test for variant heterogeneity

MR Egger test for directional horizontal pleiotropy

   

B

SE

p-value

Q

df

p-value

Egger intercept

SE

p-value

Sleep disturbance

35

IVW test

0.670

0.087

1.65×10−14

69.879

34

2.81×10−4

−0.00042

0.0066

0.95

  

MR Egger

0.696

0.406

0.096

      
  

Weighted median

0.490

0.097

3.88×10−7

      
  

MR-PRESSO

0.698

0.092

6.58×10−9

      
  

Contamination mixture

0.580

0.120

1.31×10−6

      

Chronic pain

13

IVW test

0.205

0.042

9.69×10−7

50.322

12

1.23×10−6

0.00944

0.0043

0.051

  

MR Egger

−0.030

0.114

0.794

      
  

Weighted median

0.135

0.038

3.33×10−4

      
  

MR-PRESSO

0.205

0.042

3.67×10−4

      
  

Contamination mixture

0.370

0.038

5.89×10−5

      
  1. Bold values denote p < 0.05.