the median time spent on the entilator was three days ( interquartile range two to six days ) among patients who did not deelop pneumonia, and 11 days ( interquartile range six to 19 days ) among patients who deeloped entilator-associated pneumonia 沒有發(fā)生肺炎的病人使用呼吸機(jī)的時(shí)間平均為3天(四分位距為2到6天),而發(fā)生呼吸機(jī)相關(guān)肺炎的病人呼吸機(jī)平均使用時(shí)間為11天(四分位距為6到19天)。
the median time spent on the entilator was three days ( interquartile range two to six days ) among patients who did not deelop pneumonia, and 11 days ( interquartile range six to 19 days ) among patients who deeloped entilator-associated pneumonia 沒有發(fā)生肺炎的病人使用呼吸機(jī)的時(shí)間平均為3天(四分位距為2到6天),而發(fā)生呼吸機(jī)相關(guān)肺炎的病人呼吸機(jī)平均使用時(shí)間為11天(四分位距為6到19天)。