This is probably due to inappropriate collection methods, analytical instrumentation, and methods for Pb determination.
Rates of inappropriate collection techniques and the prevalence of cultures from catheterized patients may be different in the two groups.
The discrepancies between OF and DBS testing in this study, as well as the low number of laboratory-confirmed CRS cases could be related to inappropriate collection of these samples [ 25].
Reliable tests for pathogens like Campylobacter may be compromised by inappropriate specimen collection or preparation procedures (24 ) or by antimicrobial therapy before stool collection.
According to the Pentagon inspector general, the COIC would open a floodgate of inappropriate data collection, despite assurances to the contrary by JIEDDO leadership.
Inappropriate urine collection, increased fluid intake, and abnormal renal function can be associated with false-positive and -negative results.
Because of the poor quality of the extracted DNA, possibly due to inappropriate hair collection (e.g. insufficient hair roots and/or inadequate preservation), no results were obtained for BM2113, ETH003, ETH185 and ETH225 loci in the 35 Cr.
Thus, routine microbiological methods used to identify Shigella spp. from stool samples are relatively inefficient, time consuming, and labor intensive, and the diagnosis often remains obscure due to the presence of low numbers of causative organisms, competition from other commensal organisms, and inappropriate sample collection.
Considering the preanalytical mistakes, the most common faults (Table 4) depended on inaccurate procedures for sample collection, including inappropriate quality of specimen (47.04 %), inappropriate quantity of specimen (11.55 %), and utilization of an inappropriate container (0.57 %).
"Have you got a pair of knickers made out of this?" the Duke inquired of Ms Goldie, adding another fine specimen to his collection of inappropriate remarks.
First, it may indicate a false-negative result caused by low viral load or inappropriate timing of sample collection.
