Sentence examples for sample of negative from inspiring English sources
The preceding sample of negative outcomes points unequivocally to a crisis in leadership.
In this study, high rate of patients (91.2%) were tested for HCV-RNA using real time-PCR technique, and a sample of negative and positive tests (40%) were repeated in order to reassure reproducibility.
A senior microscopist from the Noguchi Memorial Institute of Medical Research (NMIMR, Ghana) examined all the positive blood films and a 20% random sample of negative blood slides for quality control.
All positive DBS samples were re-tested for confirmation and a 10% random sample of negative samples was re-tested revealing 100% concordance with the initial result.
The threshold for each covariate was determined empirically as the lowest number that applied to fewer than 20%% of a random sample of negative controls, separate to those used to subsequently fit and evaluate the model.
Based on RT-PCR results, a random sample of positive clinical specimens was selected for viral isolation; a random sample of negative specimens was sent for viral culture as well.
When variability of the interface shear strength is high, a normal distribution with truncated tails at possible minimum and maximum values is recommended to avoid sampling of negative or extreme values.
All uncovered ARI cases and a 10% random sub-sample of negative records were re-reviewed by a physician, who validated the ARI-defining elements, and who could also access any part of the EMR for documentation that would indicate that a non-infectious disease could best explain the current illness.
This would require testing a large number of samples of negative controls and positive donors, which would be costly and time consuming.
The overall prevalence of STIs in cervicovaginal samples of negative cytology, which was not clinically presented with BV, was 97.9% (230/235).
Out of 49 cancer samples positive for vascular invasion, there were 30 cases (61%) showing high expression of IGFIR, whereas only 15 cases (31%) for 49 samples of negative vascular invasion (P = 0.002).
