Adjustments for type of building were made, because living in a privately owned single-family house was a selection factor for both cases and controls (Bornehag et al., unpublished data).
However, from cross-sectional analysis it is difficult to decide whether barriers to insulin therapy exists mainly temporary and reduce by the experience of insulin therapy or whether it is a selection factor caused by the circumstance that only type 2 diabetic patients with a more positive appraisal of insulin therapy will accept this treatment option.
Age is not a selection factor: Ed Clark and Jane Freilicher, with decades-long careers, rub shoulders with newbies.
If family history is to be used as a selection factor, timely verification of the reported cancer diagnoses will need to be considered.
should be used as a "selection factor" in admitting immigrants into the country, and he says that he is unsure whether "the deficit" is a factor of genes, environment, or both.
EGFR expression is unlikely to be an appropriate selection factor for patients with RRP to be treated with EGFR inhibitor therapy.
Moreover, aggressive therapies including TACE and RFA should be considered in fit patients, where tumor response to induction chemotherapy might be a reasonable selection factor.
Moreover, molecular evolution studies within Wolbachia-infecting insects have revealed that the Wolbachia outer membrane protein wsp, which has been shown to play a role in filarial nematode infection success [23], is under strong positive selection thus suggesting that invertebrate immune response may be an important selection factor for Wolbachia [24].
Yet if aquatic wading is invoked as influential in the evolution of bipedalism, an argument can still be made that energy expenditure was an important selection factor.
Another plausible explanation is that there is a selection effect due to factors associated with both suicidal ideation and choice of school programme.
