Since the perturbing influences of this effect are dependant upon MAF the genotyping efficiency threshold required must be more stringent for markers with MAF of <10%.
The quality control of herbal drugs should be more stringent, and molecular markers may be useful tools for the identification of species sold in pharmacies.
These numbers indicate a gradual enrichment of high-quality, 'mappable' markers at more stringent thresholds at the expense of excluding other possibly informative markers.
Combining the two sets of markers in a single PFP analysis, as was done in the present study, will increase the actual proportion of positives among all markers and, hence, can be expected to render the PFP thresholds somewhat less stringent relative to those appropriate to the first set of markers, but more stringent relative to those appropriate to the second set of markers.
(3) Genotype call rate (<0.05 – <0.025 --mind optinn) checked in two rounds, the initial with a threshold of 95%% and the second one more stringent (97.5%%), after inspection of marker quality and (4) high heterozygosity rate, over 4 SD of the mean heterozygosity of all samples (--het option).
In this study, although we chose a locus-specific Bonferroni correction (a less stringent statistical cut-off for association), we also performed a more stringent statistical analysis for unlinked markers.
These conditions are more stringent than those for the NCI panel of markers, where tumours are considered MSI-H if they show instability in at least two of the five markers (Boland et al, 1998).
The objectives of this study were to provide preliminary evidence that this at-risk status for depression is associated with metabolic and inflammatory markers and to inform future, more stringent examinations of the directionality of these associations.
The more stringent system (four or more symptoms/risk factors plus a marker of severity) had a greater positive predictive value and greater specificity (so gave fewer false positive results) than the less stringent system (four or more symptoms/risk factors alone), but at the cost of reduced sensitivity (more cases were missed).
Thirdly, the 'autogroup' option was used to cluster markers into linkage groups, starting with more stringent parameters and proceeding to less stringent parameters.
