求翻译：：根据中华医学会COPD诊断标准选取急性加重期患者120名，检测布地奈德吸入治疗慢性阻塞性肺疾病急性加重期患者治疗前后IL17、IL8、TNFa变化并与甲强龙静脉推注治疗慢性阻塞性肺疾病急性加重期患者治疗前后IL17、IL8、TNF a变化对比。SPSS16.0软件包统计分析，均数±标准差 组间对比 t检验P＜0.05差异有显著意义是什么意思？

According to Chinese medical diagnostic criteria selected 120 patients with acute exacerbations of COPD, detection of budesonide inhalation in treatment of acute exacerbations of chronic obstructive pulmonary disease patients before and after treatment IL17, IL8, changes and TNFa and methylprednisolone intravenous injection therapy in patients with acute exacerbations of chronic obstructive pulmonary disease IL17, IL8, changes of TNF-a comparison before and after treatment. SPSS16.0 statistical analysis packages, mean ± standard deviation difference comparison between group t test P<0.05 significant