Other factors associated with worse survival were being older than 70 years, the presence of a concomitant respiratory disease, low PaO2, and low PaCO2, the researchers note.
研究者指出，和更差的生存率相关的是年龄大于70岁、存在并发的呼吸系统疾病、动脉血氧分压降低、动脉血二氧化碳分压降低。
Other factors associated with worse survival were being older than 70 years, the presence of a concomitant respiratory disease, low PaO2, and low PaCO2, the researchers note.
研究者指出，和更差的生存率相关的是年龄大于70岁、存在并发的呼吸系统疾病、动脉血氧分压降低、动脉血二氧化碳分压降低。
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