On 2014 Oct 19, David Mage commented:

The authors have done an outstanding and excellent study. However, they seem to have failed to notice here that, in Table 2, their reported male fraction of SIDS (0.612) in 260 cases (excluding matched sets) is identical to the male fraction of SIDS reported by Mage and Donner (PMID 9076695) of 41,238 male and 26,140 female in 36 SIDS data sets giving a male fraction of 0.6120. This is important to note because the consistancy of the male fraction of SIDS throughout time and among various countries supports a recessive X-linkage of susceptibility to SIDS that seems to be ignored inspite of the early conclusion of Naeye et al. in PMID 5129451, that male susceptibility to infant death "must" be X-linked.

On 2014 Oct 19, David Mage commented:

The authors have done an outstanding and excellent study. However, they seem to have failed to notice here that, in Table 2, their reported male fraction of SIDS (0.612) in 260 cases (excluding matched sets) is identical to the male fraction of SIDS reported by Mage and Donner (PMID 9076695) of 41,238 male and 26,140 female in 36 SIDS data sets giving a male fraction of 0.6120. This is important to note because the consistancy of the male fraction of SIDS throughout time and among various countries supports a recessive X-linkage of susceptibility to SIDS that seems to be ignored inspite of the early conclusion of Naeye et al. in PMID 5129451, that male susceptibility to infant death "must" be X-linked.