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第44卷第10期         李 萍,王诗绮,倪艾珺,等. F⁃V曲线下降支夹角在COPD患者诊治中的综合评估价值[J].
                 2024年10月                    南京医科大学学报(自然科学版),2024,44(10):1369-1376                      ·1373 ·

                                                 表3   3组步行运动脉氧检测结果比较
                              Table 3 Comparison of pulse oximetry data of walking exercise among the three groups  (x ± s)

                            Index             Angle group(n=33) Non⁃angle group(n=38) Control group(n=30)  F  P
                 SpO2rest (%)                   96.21 ± 2.51 #    97.00 ± 1.82       97.77 ± 1.61   4.671  0.012
                 SpO2L (%)                      86.85 ± 5.40 *#   89.89 ± 4.94       90.93 ± 4.91   5.600  0.005
                 ΔSpO2 (%)                     0 9.76 ± 4.85 *#   07.42 ± 3.87       06.83 ± 4.14   4.471  0.014
                 Maximum pulse rate/submaximal   0.98 ± 0.14      00.95 ± 0.14       00.97 ± 0.17   0.423  0.656
                 heart rate
                                          *
                                                                      #
                   Compared with the non⁃angle group,P < 0.05;compared with the control group,P < 0.05.
                                                 表4 夹角组与无夹角组CT表现比较
                         Table 4 Comparison of CT imaging performance between the angle group and the non⁃angle group [n(%)]

                    CT imaging performance     Angle group(n=33)    Non⁃angle group(n=38)     χ 2           P
                 Scabbard trachea                 14(42.42)             13(34.21)            00.506        0.477
                 Left bronchus collapse           01(3.03)              00(0)                01.168        0.670
                 Right bronchus collapse       0   1(3.03)              01(2.63)             00.010        0.919
                 Emphysema                        26(78.78)             14(36.84)            12.633      < 0.001
                   Centrilobular emphysema      0  9(27.27)             05(13.16)            02.223        0.136
                   Panlobular emphysema           11(33.33)             06(15.79)            02.985        0.084
                   Paraseptal emphysema           06(18.18)             03(7.89)             01.689        0.194
                 Pulmonary bulla                  07(21.21)             04(10.53)            01.540        0.215
                 Pulmonary artery root/aorta >1   04(12.12)             01(2.63)             02.430        0.119
                 Lowered diaphragm                12(36.36)             10(26.32)            00.834        0.361
                 Barrel⁃shaped chest               3(9.09)              02(5.26)             00.395        0.530



                                         表5 F⁃V曲线下降支夹角出现的多因素Logistic回归分析
                       Table 5 Multi⁃factorial logistic regression analysis of the emergence of the collapse angle of the F⁃V curve

                     Variate            β          S.E.         P           Wald         OR            95%CI
                  CAT scores≥12       0.441       0.112       < 0.001       15.503       1.554       1.248-1.936
                  mMRC scores≥2       0.640       0.176       < 0.001       13.223       1.896       1.343-2.678
                  ΔSpO2≥13%           0.678       0.190       < 0.001       12.734       1.970       1.357-2.859



                                               表6 夹角组与无夹角组急性加重表现比较
                      Table 6 Comparison of acute exacerbation manifestations between the angle group and the non⁃angle group
                                                                                                        [n(%)]

                         Acute exacerbation manifestations  Angle group(n=33)  Non⁃angle group(n=38)  χ 2   P
                 Number of patients with acute exacerbation    17(51.52)          5(13.16)       12.152  < 0.001
                 Number of hospitalized patients with acute exacerbation  09(27.27)  2(5.26)     06.535  < 0.011
                 Times of hospitalizations for acute exacerbation                                  -     < 0.027
                   1                                           07(21.21)          2(5.26)
                   2                                            2(6.06)             0(0)
                 Number of acute exacerbations                                                     -     < 0.002
                   0                                           16(48.48)          33(86.84)
                   1                                           08(24.24)          4(10.53)
                   2                                           06(18.18)          1(2.63)
                   3                                            3(9.09)             0(0)
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