表1. 无创通气失败危险因素的单因素分析结果 观察因素 OR值 95%可信区间 P值 性别 1.59 0.63-4.02 0.389 年龄 1.08 1.02-1.14 0.012 COPD病史 1.1 0.36-3.56 0.814 红细胞压积 0.99 0.95-1.51 0.955 肌酐 1.01 1.00-1.02 0.020 尿素氮 0.99 0.97-1.02 0.876 白细胞 1.13 1.03-1.23 0.004 血糖 1.39 1.19-1.62 0.000 呼吸频率 1.11 0.99-1.24 0.700 PaCO2 1.07 1.04-1.09 0.000 pH 18.70 6.23-56.15 0.000 白蛋白 0.97 0.91-1.04 0.374 APACHEⅡ分值 2.36 1.47-3.80 0.000

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