The analysis of cost for infants and mothers can be done separately, with possible risk of underestimation of the costs of prematurity and the possibility of missed shifting of costs between the two groups.
The testis and epididymis should be evaluated separately, if possible.
Since these two variables represent different physiological characteristics, they should be analyzed separately, if possible.
Furthermore, given the strong differences between vocational and non-vocational upper secondary education in a large number of countries covered in PIAAC, these two categories should also be coded separately whenever possible, at least for those countries where skill differences are large.
Analyses of the frequency distributions were repeated for each sex separately where possible.
The association between primary and acquired MDR-TB and HIV were assessed separately when possible.
However, haemorrhagic sub-type data was analyzed separately where possible, e.g. Factor V Leiden.
However, future research should examine risk factors of death and hospital admission separately if possible.
It makes more sense to look at each clinical presentation separately where possible.
It would also be helpful to see data for tinnitus and hyperacusis animals separately if possible.
