"insufficient enrollment" is correct and usable in written English
It can be used to indicate that the number of students enrolling in a certain program or activity is not enough. For example, "The school had to cancel the summer camp program due to insufficient enrollment."
Some clusters had 6 to 10 children enrolled due to substitutions from clusters with insufficient enrollment or insufficient numbers of eligible children.
Unfortunately, clinical trials often suffer from slow or insufficient enrollment.
The trial was discontinued after 101 patients had been randomized because of insufficient enrollment.
Although there was insufficient enrollment for identification of an OBD, no dose-limiting toxicities were observed that limited eltrombopag dose escalation to 150 mg daily in the study.
A number of changes were made to the initial study protocol over the first six months of implementation in response to high rates of ineligibility (> 40%%), insufficient rates of enrollment which stopped recruitment chains, low numbers of female participants, an imbalance between intervention and control arms, and low rates of HIV-infected participants in the study's early phase of implementation.
Critics said one year's enrollment was insufficient for such a declaration.
Antioch College, founded in 1852, was one of the country's first experimental liberal arts colleges; in 2008, however, the college was forced to suspend operations as a result of low enrollment and insufficient funding.
Not all eligible subjects were approached for enrollment because of insufficient manpower to commit specifically for this study at the different enrollment sites.
Also, the numbers of psychosocial questions was somewhat limited by the practical limits of time allowed by participating companies for enrollment of subjects and may be insufficient for some psychosocial variable domains.
First, age restrictions under the current primary education system cause institutional enrollment disadvantages that in turn lead to insufficient energy in the July-August group and ultimately an adaptation crisis.
We also excluded 29 patients who had <6 months <span class="lh">enrollment before the identified procedure because there was insufficient time to assess for baseline comorbidities.
