表
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表1 -
用肺活量测定法和脉冲振荡技术测定基线和支气管扩张剂使用后的相对肺功能参数
参数 哮喘组 可能哮喘组 对照组 假定值 基线 FEV1% pred 83.87 (78.85 - -87.67) 96.37 (91.34 - -101.39) 96.44 (93.83 - -98.60) < 0.0001 FVC % pred 91.31 (85.84 - -96.78) 97.64 (89.87 - -105.40) 101.31 (96.77 - -105.84) 0.02 Z5 % 165.75 (146.75 - -184.76) 134.93 (114.41 - -155.43) 135.47 (122.99 - -147.95) 0.01 R5 % 158.55 (141.20 - -175.89) 129.68 (109.05 - -150.32) 131.61 (117.14 - -146.09) 0.02 R20 % 127.71 (113.79 - -141.63) 124.50 (105.94 - -143.06) 127.70 (116.09 - -139.30) 0.99 Fres 19.40 (17.41 - -21.40) 16.93 (15.19 - -18.67) 16.64 (15.39 - -17.89) 0.03 Post-bronchodilator FEV1% pred 89.88 (85.66 - -94.10) 86.86 (77.05 - -84.37) 89.44 (84.37 - -94.50) ns FVC % pred 96.22 (92.59 - -99.86) 90.41 (78.74 - -102.09) 90.88 (80.81 - -100.95) ns Z5 % 135.50 (119.44 - -151.57) 113.95 (81.00 - -146.90) 122.58 (95.45 - -149.71) ns R5 % 128.36 (113.41 - -143.31) 110.45 (79.40 - -141.51) 117.24 (88.13 - -146.35) ns R20 % 112.80 (99.27 - -126.34) 102.20 (74.44 - -129.95) 117.34 (85.97 - -148.70) ns Fres 17.38 (15.46 - -19.29) 15.52 (11.77 - -19.28) 14.00 (12.47 - -15.52) ns 数据以肺功能参数预测百分比(% pred)平均值(95%置信度)表示。FEV1:一秒用力呼气量;FVC:强制肺活量;Z5: 5h时的阻抗Z;R5: 5h时的电阻Z;Fres:谐振频率;ns:不重要