结果:主要影响样本大小的参数为易感基因频率、环境因素暴露率、基因遗传方式,而疾病的发生率对样本量影响很小。
Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.
经常限制样本量的大小并得出一个变异范围非常大的结果。
Previous studies on work disability related to whiplash are very heterogeneous, are often limited in sample size and show a wide variability in terms of results.
结论依据感染率预估值确定混合样本大小与混合样本量的研究思路,具一定的可行性。
Conclusion Based on the criterion of MSE and the predicted vector infection rate, the method was proved feasible in determining pool size and number of pools.
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