Table 2 Geometric mean relative expression of HERV-K RNA in ALS cases and controls

Normalisation method^a

GAPDH

GAPDH

GAPDH

XPNPEP1

XPNPEP1

XPNPEP1

ALS

1.001

1.025

0.975

0.868

0.888

0.845

Control

1

1

1

1

1

1

p value

0.677

0.671

0.990

0.113

0.095

0.055

Statistical significance

NS^b

NS

NS

NS

NS

NS