The analysis also showed that viral load testing provided little or no clinical benefit over monitoring CD4 + counts alone and CD4 + counts proved to provide a substantial benefit at a modest cost.
分析发现病毒负荷试验未比CD 4 +计数检测多一点临床获益，而CD 4 +计数则以适当的费用提供了实质性益处。
The utility model has the advantages of steady operation state, low cost, high degree of automation, small work load, and no impact on health of the sampling person.
运行状态稳定，成本低，自动化程度高，工作量小，不会影 响采样人员的健康；
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