简介诊断准确性研究的质量评价工具QUADAS(QualityAssessmentofDiagnosticAccuracyStudies)
简介诊断准确性研究的质量评价工具QUADAS(QualityAssessmentofDiagnosticAccuracyStudies)
QUADAS标准是目前唯一一个经过严格评价和验证的诊断试验质量评价标准。
QUADAS标准是目前唯一一个经过严格评价和验证的诊断试验质量评价标准。
()是广泛应用的指南评价工具,并在临床及实验室指南中证实有效。 A: AGREEII B: AICG C: GEM-Q D: GLIA E: QUADAS
()是广泛应用的指南评价工具,并在临床及实验室指南中证实有效。 A: AGREEII B: AICG C: GEM-Q D: GLIA E: QUADAS
The quality evaluation tool used in this case is QUADAS-2. Which of the following evaluation domains is not included in this tool? A: patient selection B: index test C: data quality assessment D: reference standard E: flow and timing
The quality evaluation tool used in this case is QUADAS-2. Which of the following evaluation domains is not included in this tool? A: patient selection B: index test C: data quality assessment D: reference standard E: flow and timing
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
2 + 2 * (2 * 2 - 2) % 2 / 3
2 + 2 * (2 * 2 - 2) % 2 / 3
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2
2×2×2×2×2
2×2×2×2×2
HbF的构成主要是() A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2
HbF的构成主要是() A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2