The phrase "a substantially lower number" is correct and usable in written English.
It can be used when comparing quantities or values to indicate that one is significantly less than another.
Example: "The new policy resulted in a substantially lower number of complaints from customers compared to last year."
Alternatives: "a significantly reduced figure" or "a markedly smaller amount".
This species difference is probably related to anatomical differences including a substantially lower number of airway branching in the mouse compared to the human lung that may result in a faster spillover of damaging factors from the conducting airways to the distal airspaces in mice.
Even though women make up more than 50percentt of the workforce and earn 60percentt of undergraduate and graduate degrees, they still hold a substantially lower number of executive-level positions across job sectors.
In contrast, species criteria that place greater emphases on more explicit properties of species (e.g. reproductive isolation or gene tree monophyly) would yield a substantially lower number of delimited and recognized species.
In our case, the GWAS approach also identified a substantially lower number of associations than LDLA.
Second, strict inclusion criteria and a substantially lower number of male subjects in bariatric clinic cohorts hindered enrollment of men with IGM in this study.
The current knowledge on VAT, in contrast to that on VAP, is recent and limited to a substantially lower number of large clinical studies.
Our data, though based on a 5-generation pedigree of over a thousand birds, is limited by the substantially lower number of individuals with fitness data (68 males).
Alternatively, bovine SA may not undergo change as rapidly as human-associated SA isolates; the substantially lower number of genes associated with antibiotic resistance in the genome of strain ET3-1 provides additional evidence for a slower rate of genetic exchange.
This results in substantially lower number of cows for the original farm location during the alpine grazing season and therefore in an underestimation of the population at risk for those farms.
The difference in HER2-positivity rates between Europe/Asia and Central/South America may have reflected the substantially lower number of patients screened in Central/South America and does not necessarily reflect a different biology.
Other limitations of this study include the substantially lower number of HFS-B surveys for analysis and the exclusion of individuals with type 2 diabetes, which was beyond the scope of this article.
