组间差异显著
The difference between groups was significant
以上为机器翻译结果，长、整句建议使用 人工翻译 。
组间差异显著性比较采用t检验。
The differences between groups were analyzed by t test.
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各浓度组间差异显著，尤以1.6%效果最佳。
The 1.6% group had the best effect.
星状神经节阻滞期间两组患者生命体征平稳，组间比较差异无显著性。
The life signs of the two groups were stable during SGB, there was no significant difference.
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