因素可能呈
Factors may be presented
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结果对30多个可能的危险因素进行单因素分析，有22种呈显著差异。
Results of more than 30 possible risk factors that were studied by means of single factor analysis, 22 manifested marked difference.
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