Time limit of the test (56%), inability to convey personal skills (50%) and the inability to determine if answers were correct (43%) were the most common difficulties encountered (Table 4).
For example, Melanesians are only found to be admixed according to the ALDER test; the inability of the three-population test to identify them as admixed is likely due to long off-tree drift from the Papuan branch prior to admixture.
Seventeen children refused to do PEF measurements, and we excluded data from 349 children because of inability to perform acceptable tests (as judged by the test leader or inability to produce two reproducible PEF values within 15%), leaving 2,599 children with acceptable PEF-readings (88%).
No inclinometric measurements were available for 46 patients, for the following reasons: no measurements were performed because of high pain intensity (30 patients), lack of time (3 patients), difficulties during the measurement procedure (e.g. difficulties with the test position or inability to relax)(8 patients), and errors in the registration of the measurement results (5 patients).
Non diagnostic test results and a failure to perform the test, such as an inability to detect the sentinel node or inadequate histology were excluded from the two by two tables, but their occurrence was recorded, along with the results from the reference standard in each case, if provided.
Less common reasons were fear of getting a positive test result, embarrassment, not knowing the location of the testing facility, and inability to pay for the service.
However, these tests have not gained popularity due to the high rate of false negatives and the inability of the test to reliably diagnose pregnancies before 100 days of gestation [ 12].
The inability of the test substances to clear the parasite from the blood could be because of their failure to reach the site of action or rapid metabolization [ 29].
To support his argument about the inability to review the test's validity, Veerpalu pointed to the union's efforts to get test data from WADA.
The last thing the state should want is for people who are qualified for the test to be barred by an inability to pay.
