Table 1 Results of causal relationship between mtNDA-CN and Osteoporosis.

From: MR analysis reveals no causal association between mitochondrial DNA copy number and osteoporosis

Outcome

Exposure

N. SNPs

Methods

OR (95% CI)

P

Femoral neck bone mineral density

Mitochondrial DNA copy number

62

IVW

1.00 (0.89–1.12)

0.988

 

MR-Egger

0.94 (0.73–1.21)©

0.618

 

Weighted Median

0.94 (0.80–1.10)

0.456

 

Weighted Mode

0.89 (0.68–1.18)

0.437

Lumbar spine bone mineral density

Mitochondrial DNA copy number

62

IVW

1.00 (0.87–1.15)

0.977

 

MR-Egger

0.89 (0.66–1.20)

0.438

 

Weighted Median

1.02 (0.85–1.21)

0.853

 

Weighted Mode

0.96 (0.76–1.21)

0.734

Forearm bone mineral density

Mitochondrial DNA copy number

62

IVW

0.90 (0.70–1.16)

0.421

 

MR-Egger

0.70 (0.41–1.22)

0.215

 

Weighted Median

0.81 (0.59–1.12)

0.200

 

Weighted Mode

0.75 (0.50–1.12)

0.165

Total body bone mineral density

Mitochondrial DNA copy number

67

IVW

0.97 (0.89–1.05)

0.427

 

MR-Egger

1.09 (0.91–1.30)

0.369

 

Weighted Median

0.98 (0.87–1.11)

0.766

 

Weighted Mode

1.14 (0.93–1.40)

0.207