Exact(2)
Based on the preliminary data and a test power analysis of 0.85, the sample size calculation showed that at least three specimens are sufficient to detect a 10% difference with a significance level of 5%.
We demonstrate that three 3D-US-guided percutaneous core specimens are sufficient to achieve tissue for a reliable histological assessment of sonographically detectable breast lesions and allow the detection of malignancies with high sensitivity and low rate of false-negative diagnoses.
Similar(58)
A carefully checked positive PCR in cerebrospinal fluid specimens is sufficient for diagnosis.
Nonetheless, macerated specimens were sufficient for identifying the most important structures.
In six eyes with endophthalmitis associated with keratitis, corneal specimens were sufficient to establish the diagnosis.
Our data indicate that 3 specimens were sufficient to confirm 91% of norovirus outbreaks, and when 6 specimens were submitted, 97% were confirmed.
For microarray analysis, only three of the HAD specimens were sufficient for use, but all five were used for the qRT-PCR studies.
All of cytological slides were successfully reviewed by cytopathologists and the specimen was sufficient to permit a diagnosis to be made in all cases.
In patients with worsening or severe diarrhoea, one single stool specimen is sufficient for the detection of bacteria or toxins, however three separate specimens are required to exclude parasitological causes with sufficient diagnostic sensitivity.
For two of the 3 years reported in this study, the NP and OP specimens were inserted into the same vial and tested as one specimen while in the final year the specimens were placed in separate vials in which case a positive result from either specimen was sufficient to classify a case as positive [ 29].
Ten specimens per group are sufficient to detect an effect size of d = 1.0 with 80% statistical power.
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