Table 1 Estimates of heritability of liability of MPB using different random samples of 20,000 men ascertained in different ways

From: Misestimation of heritability and prediction accuracy of male-pattern baldness

MPB scores for cases

MPB scores for controls

\(K_{\mathrm{L}}\)

\(K_{\mathrm{U}}\)

P

\(h_{o[s]}^2({\mathrm{s}}.{\mathrm{e}}.)\)

\(h_l^2({\mathrm{s}}.{\mathrm{e}}.)\)

R 2a

4

1,2,3

0.81

0.19

0.19

0.36 (0.03)

0.75 (0.06)

0.15

3,4

1,2

0.54

0.46

0.46

0.46 (0.03)

0.72 (0.05)

0.16

2,3,4

1

0.68

0.32

0.32

0.41 (0.03)

0.70 (0.05)

0.17

3,4b

1

0.32

0.46

0.59

0.61 (0.03)

0.64 (0.03)

0.16

4

1

0.32

0.19

0.37

0.96 (0.03)

0.63 (0.02)

0.13

Quantitative 1,2,3,4

    

0.59 (0.03)

0.69 (0.03)

0.16

  1. KL proportion of the population in the lower tail, extreme controls. KU proportion of the population in the upper tail, cases. P proportion of the samples used for analyses that are cases.
  2. aProportion of variance in liability explained by the 107-SNP predictor
  3. bThe sampling strategy conducted by Pirastu et al.