This setting is used to find the location (or critical value) on the Chi Square sampling distribution that includes a tail area equal to the alpha-cutoff value (0.05).
该设置用于查找 X 平方分布的抽样分布中包含尾数区域等于 alpha 断开值（0.05）的位置（或临界值）。
Using 60% of the baseline standardized uptake value as a cutoff point, the sensitivity of the approach was 61% after one course of chemotherapy, 89% after two and 88% after three.
利用基线标准摄入值的60%作为切断点，该方法的敏感性在化疗第一疗程后、第二疗程后、第三疗程后分别为61%、89%和88%。
The optimal cutoff value of PCT for predicting a positive blood culture showed an increase as the estimated glomerular filtration rate declined.
在预测血培养阳性时，随着肾小球滤过率降低，PCT的最佳阈值升高。
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