Sentence examples for specimens with negative from inspiring English sources
Similarly in young children with a respiratory illness in the winter, rapid tests for RSV infection may be performed first, and only specimens with negative results submitted for subsequent testing for influenza or other respiratory viruses [25].
bThree specimens with negative N9 and positive H7.
Specimens with negative results underwent no further testing and were considered negative.
Only primary endocervical and endometrial adenocarcinomas from hysterectomy or conization specimens with negative hysteroscopy were included in this study.
However, no positive result was observed with the Quidel rapid tests among the nasal-swab specimens with negative RT-PCR results (100% specificity).
Representative photomicrographs illustrating specimens with negative and strong EphA7 expression in tumor cells are presented in Fig. 1A and 1B, respectively.
The lncRNAs, n345630, XLOC_004787, n378726, and LINC00473 were exhibited down-regulation in 67 H.pylori positive mucosa specimens compared with negative specimens.
No skip metastasis were found in the 13 neck specimen with negative SLN. Conclusion: SLN evaluation in N0 neck in squamous cell carcinoma of the head and neck is accurately feasible and seems to adequately predict the presence of occult metastasis.
§Detected in bronchoalveolar lavage specimen with negative NAT on nasopharyngeal swab 3 d before first and 10 d after last bronchoscopy.
Ct values were available for 389 specimens in which pandemic (H1N1) 2009 virus was detected by PCR; of these, the median influenza A PCR Ct value was 26 for 135 specimens with a negative rapid test result and 21 for 254 specimens with a positive rapid test result (p<0.0001); samples with higher viral loads were more likely to be positive by rapid test.
The percentage of specimens with a negative nasopharyngeal viral load in each block in order of patient distance from block E was as follows: block E (4/52) 7.7%; block D (4/7) 57.1%; block F (2/2) 100%; block C (1/6) 15.2%; block G (2/2) 100%; block A (1/1) 100%; block B (2/6) 33.3%; and block H (1/1) 100% (p = 0.04 by chi-square test).
