screening rate

From 1977 to 1999,12 386 women undertaken brest screening. The benign tumors were found in 10 552, the detectable rate was 85 19%; breast cancers were diagnosed in 3, and the detectable rate was 24 2 per lakh.

1997～1999年乳腺普查12386人，良性肿瘤发病10552人，检出率8519%，乳腺癌3例，检出率242/10万。

Conclusion: Prenatal screening for Down ′ s syndrome is feasible, but screening false positive rate is high, the method of screening needs to be improved.

结论对孕妇进行胎儿Down′s综合征筛查是可行的，但筛查假阳性率较高，筛查方法还需进一步探索、改进。

For now, prevention, screening and early treatment crucial to lowering the death rate.

至于目前, 作好预防, 早检查,早治疗对降低病死率相当重要.

Results In 144 specimens taken from 183 cases after screening STD pathogenic microorganisms were detected with a positive rate of 33.3% ( 29/ 87);

结果183例标本中检出STD病原微生物感染144例，检出率78.7%，其中化脓菌感染29例，阳性率33.3%（29/87）。病原体中以支原体居第1位，占45.9%；

Objective: To improve the screening rate of Down ′ s Syndrome ( DS) by combination of ultrasonic B examination in early pregnancy and serologic analysis in middle pregnancy.

目的联合孕早期B超及孕中期母血清检测，提高对唐氏综合征（Down′s Syndrome，DS）患儿的筛查率。

There are many potential explanations for why the pregnancy and birth rate are lower after screening.

对于为什么在筛查后妊娠率和出生率更低了有很多可能的解释.

First exotic DNA was transformed under different cell density then the transformed colonies on antibiotic screening plate was counted to compare their transformation rate to ascertain the most suitable cell density for the transformation.

制备肺炎链球菌感受态，首先在不同菌密度下转化外源DNA，计数抗生素筛选平板上的转化菌落，比较其转化率，确定转化的最适菌密度；

The directed-site membrane transferring and visual screening method based on plate were used, and the factors, which affect bacterium growth, enzyme expression and the success rate of membrane transferring, were optimized to develop the high through-put screening method for thermo stable p-glucanase.

本研究将定位膜转印和肉眼可见的平板筛选策略相结合，通过对影响菌落生长、酶的表达和转印成功率的各因素的优化，建立了高通量筛选耐高温β-葡聚糖酶的方法。

Results 18478 neonates accepted eye-disease screening, the screening rate was 88,8%, the normal rate was 84.5%, the abnormal rate in the in'st screening was 11.9%. 47 complicated cases were refered to specialized department of ophthalmology for further treatment.

结果共筛查了18478人，筛查率为88.8%，筛查总通过率84.5%，初筛眼病检出率11.9%，47例新生儿因病情比较复杂转入专业眼科治疗。

Results 6 773 pregnant women accepted antenatal screening, 352 of which were detected positive for Down ′ s syndrome with false positive rate of 5.2% ( 349/ 6773).

结果产前筛查6773例孕妇，唐氏综合征筛查阳性孕妇352例，假阳性率为5.2%（349/6773）。

B ultrasonography can be used as a screening procedure. CT and MRI are high in accurate localization rate.

结论肾上腺肿瘤影像学检查B超可作为筛选手段，CT、MRI定位准确率高，定性准确率MRI略高于CT。

To determine the bacterial bearing rate firstly could reduce the pressure of field determination which wasted time and energy when the disease-resistant breeding and medicament screening test needed mass samples.

因此，在抗病育种和药剂筛选试验需要大量样本进行田间鉴定时，需先进行种子带菌率测定，这样可以减轻费工费时的田间鉴定的压力。