false negative

Evaluation of false positive and false negative results for mini VITAL automated blood culture system

Mini VITAL全自动血培养仪假阳性/假阴性结果分析

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Its false positive ratio and false negative ratio were 9.2% and 0 respectively.

次之为CHr<28·0pg/L，诊断IDA的假阳性率、假阴性率分别为10·4%和0%。

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Discussion of Calculating Method for False Positive Rate and False Negative Rate in Diagnostic Tests

论诊断试验中假阳性率和假阴性率的计算方法

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Have in any way possible false positive and false negative.

任何方法都有可能出现假阳性和假阴性。

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What the paper tell you about the number of false negative and false positive screening test?

这篇文章告诉你关于筛查结果的假阴和假阳数据是 什么 ?

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In 2 cases with a false negative Lachman test, there was firm reattachment of the torn end of anterior cruciate ligament to the proximal portion of the posterior cruciate ligament combined with a bucket handle tear of the medial meniscus.

2例Lachman试验假阴性的患者经关节镜证实为前十字韧带断端再附着伴有半月板桶柄样撕裂。

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The main reasons for false negative may be related with atrophy of left liver, fundus elevating, mild varicosity.

肝脏左叶萎缩，胃底位置偏高、扩张的静脉轻微是假阴性的主要原因。

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Serum HBV-DNA was detected by double band polymerase chain reaction ( DB-PCR), which could show false negative and false positive activity besides positive and negative results.

应用双带PCR方法（DB－PCR）检测了240份血清中HBV－DNA，该方法能直接观察和判断假阴性和假阳性结果，提高了检测的准确性。

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Objective false positive and false negative rates of serological detection of Treponema pallidum antibody.

目的:使用两种快速免疫结合试验检测梅毒螺旋体抗体,可使假阳性降到极低.

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Additionally, because genetic heterogeneity is present among tumor cells and the gene expression may vary from the primary lesions to the metastatic lesions, false negative results are likely to occur when micrometastasis is detected using a single marker.

另外，由于肿瘤细胞存在基因异质性，原发灶和转移灶的基因表达可能不一致，因此单标志物检测微转移容易出现假阴性。

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False negative tests can result from low worm counts, immature infections and all male infections.

心蠕虫数量小 、 未成熟或仅有雄虫感染时会导致检测出现假阴性.

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Capsular invasion of small extent may present the false negative appearance of smooth margin, while the fibrous adhesion may be mistaken as capsular invasion, resulting in false positive result.

较小范围的包膜受累仍可呈较光滑的边界，造成假阴性结果，而外表纤维素性粘连使外界不清易误为侵犯包膜，造成假阳性结果。

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This means an update can fail when changes are made to other rows, a property referred to as a false negative.

这意味着，对其他行进行修改时更新会失败，这一特性被称为漏判。

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The sensitivity, accuracy, specifity and false negative rates of SLN to predict axillaries lymph node status were 94.74%, 94.74%, 100%, 5.26%.

用前哨淋巴结预测腋淋巴结转移的94.74%，准确率为94.74%，特异度为100%，假阴性率为5.26%。

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False negative. Measuring error results in acceptance of defective sample.

错误的坏的方面. 误测导致验收不符合标准的样品.

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Results The diagnostic sensitivity was 95.38 % and specificity was 100 %. The false negative rate was 1.38 %.

结果弹射式空芯针活检(ST-CNB)对乳腺癌的诊断敏感性为95.38%,特异性为100%, 假阴性率为1.38%,假阳性率为0.

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This false negative scenario would not have the UPDATE cause a fail if a row change timestamp column was added to the EMPLOYEE table.

如果向EMPLOYEE表添加行修改时间戳列，则漏判场景中的UPDATE不会发生失败。

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The false positive and false negative rate were 20.59% and 10.17%.

假阳性率和假阴性率分别为20.59%和10.17%；

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Experiments and analyses show that the new strategy guarantees the desired availability by using much less redundancy. ( 3) PROTECTOR, a permanent departure detector based on the balance of false positive and false negative.

分析和实验均表明，本文的分发方案可以用更少的数据冗余度确保数据的目标可用性。（3）基于误判和漏判抵消的节点永久离开判别器PROTECTOR。

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Results 1 false positive and 4 false negative were made in 36 cases.

结果36例胆囊癌B超检查产生假阳性1例、假阴性4例。

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Study of false positive and false negative reactions obtained with two

两种尿糖检测方法假阳性和假阴性的实验研究

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Conclusions The successful detection rate of SLN and the false negative rate was influenced by the stage of tumor, the successful lymphangial trace, the injection site and so-called study curve.

结论肿瘤的分期、淋巴管示踪成功、示踪剂的注射部位以及学习曲线直接影响前哨淋巴结的检出成功率及假阴性率。

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Results: False negative rate of pap smear and colposcopy was90.12% aed zero respectively.

结果：诊断假阴性率宫颈防癌涂片为90。12%，电子阴道镜检查为0；

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Among 3 cases ( 8. 33%) without response to acoustic stimulation, false negative response was proved in 2 cases. The remaining one had temporary anoxia due to umbilical cord twining tightly around the neck.

在AST阴性的3例（8.33%）中有2例为假阴性，1例为脐带绕颈过紧，致一时性缺氧。

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Results In the incipient stage of senile cortical cataract, the false negative ratio of ultrasonography is 19.05%, the sensitivity is lower than that of slit-lamp. In the intumescent stage, mature stage or hypermature stage, the relevant ratio of ultrasonography is 100%.

结果老年性皮质性白内障初发期超声检查假阴性占1905%，敏感性不如裂隙灯检查，膨胀期、成熟期、过熟期超声的检出率可达到100%。

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Moreover, contamination from biological cell or DNA and the inherent limitation of the latest molecular technology might give false positive and false negative test results.

同时也因为受到生物细胞或脱氧核糖核酸（DNA）污染及当前分子生物技术的局限，可能导致出现假阳性或假阴性的测试结果。

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All patients with false-negative sonographic or CES findings recovered uneventfully.

所有的常规超声或造影为阴性的患者,随访均恢复良好.

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The accurate needle puncture rate was 100 %, accurate diagnosis rate 92.3 %, and false negative rate 7.7 %.

刺中率为100%, 活检正确率为923%, 假阴性率77%.

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Analysis of False Positive and False Negative with Primary Gallbladder Carcinoma by B-ultrasonography

B型超声诊断原发性胆囊癌假阳性、假阴性分析

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Conclusions There are false positive and false negative of Apgar scoring in diagnosis of asphyxia neonatorum.

结论采用Apgar评分诊断新生儿窒息存在假阳性和假阴性。

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