RESULT: there were no obvious difference (P>0.05)between these two kinds of methods in treatment, but the number of operation field and the time of hospitalization is quite different (P<0.05).
结果：两种方法在疗效上无显著差异（P>0.05），但手术野数目和住院时间存在显著差异（P<0.05）。
There was no significant difference in complication rate and hospital cost in two groups(P>0.05). But there was significant difference in time of operation and hospitalization(P<0.05).
两组结石残留率、近期并发症发生率、住院费用等方面差异无显著性（P>0.05），而在手术时间、住院时间等方面差异有显著性（P<0.05）。
There was significant difference in hypoxemia, renal dysfunction, operation and using of respirator between groups(P<0.05 or P<0.01).
低氧血症、肾功能衰竭、手术与否以及是否应用有创呼吸机在两组之间比较差异有显著性（P<0.05或0.01）。
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