表 3. Characteristics and differences in continuous respiratory physiological parameter monitoring during the walking test in the two groups.
两组患者步行试验过程中连续呼吸生理参数监测特征和差异
呼吸生理参数特征 | PPCs(n = 19) | No-PPCs(n = 34) | P值 |
注:*以均值 ± 标准差的方式表示;**以中位数(四分位间距)表示 | |||
BR | |||
base/(次/分)* | 21.93 ± 3.51 | 23.03 ± 4.57 | 0.37 |
acc-time/min** | 18.00(4.00~58.00) | 29.50(10.00~46.75) | 0.33 |
slope/(次/分2)** | 0.29(0.10~1.19) | 0.26(0.12~0.64) | 0.54 |
max/(次/分)* | 30.04 ± 3.85 | 32.60 ± 4.69 | 0.04 |
time>20/s* | 322.16 ± 82.85 | 321.68 ± 83.23 | 0.98 |
end/(次/分)* | 24.52 ± 5.23 | 26.53 ± 4.76 | 0.16 |
recovery/(次/分)* | 21.44 ± 3.77 | 23.11 ± 5.68 | 0.26 |
cv* | 10.32 ± 4.56 | 10.75 ± 4.79 | 0.75 |
TV | |||
in-base* | 1 873.33 ± 1 275.59 | 2 121.86 ± 926.04 | 0.42 |
ex-base* | 1 845.77 ± 1 611.43 | 2 138.69 ± 1 052.74 | 0.43 |
in-mean* | 2 044.95 ± 1 696.16 | 2 006.02 ± 936.93 | 0.93 |
ex-mean* | 2 049.89 ± 1 689.31 | 2 003.78 ± 929.35 | 0.91 |
in-recovery* | 2 717.48 ± 1 892.8 | 2 410.32 ± 1 194.56 | 0.53 |
ex-recovery* | 2 779.91 ± 1 855.95 | 2 404.09 ± 1 135.52 | 0.43 |
in-cv* | 28.98 ± 11.25 | 28.36 ± 17.09 | 0.89 |
ex-cv* | 29.36 ± 11.31 | 28.09 ± 18.42 | 0.79 |
MVV | |||
in-base* | 32 818.09 ± 19 995.29 | 47 605.13 ± 21 783.77 | 0.02 |
ex-base* | 35 033.33 ± 24 508.84 | 45 630.04 ± 22 194.61 | 0.11 |
in-max* | 78 121.24 ± 55 710.55 | 82 345.4 ± 29 982.15 | 0.72 |
ex-max* | 79 144.41 ± 55 995.07 | 80 694.08 ± 31 150.62 | 0.90 |
in-acc-time** | 147.00(74.00~230.00) | 108.50(67.75~177.00) | 0.34 |
ex-acc-time** | 142.00(70.00~229.00) | 95.50(54.00~221.75) | 0.53 |
in-slope** | 1 854.99(263.46~10 786.06) | 936.68(511.49~2 066.16) | 0.26 |
ex-slope** | 2 325.39(272.68~8 172.19) | 791.41(506.29~1 851.63) | 0.21 |
Abo-contribute | |||
base(%)* | 0.34 ± 0.14 | 0.43 ± 0.15 | 0.04 |
mean(%)* | 0.35 ± 0.19 | 0.46 ± 0.20 | 0.04 |
recovery(%)* | 0.35 ± 0.19 | 0.46 ± 0.20 | 0.04 |
cv** | 0.59(0.19~1.12) | 0.30(0.18~0.83) | 0.25 |
SpO2 | |||
base(%)* | 95.34 ± 1.15 | 95.67 ± 1.37 | 0.37 |
min(%)* | 91.21 ± 2.84 | 92.38 ± 3.44 | 0.21 |
desaturation area/(分钟·%)* | –317.06 ± 783.53 | –270.79 ± 831.03 | 0.84 |
end(%)* | 93.99 ± 3.81 | 95.1 ± 1.99 | 0.25 |
recovery(%)* | 94.68 ± 3.67 | 95.46 ± 1.63 | 0.29 |
SpO2-6MWD(%·m)* | 36 770.42 ± 6 509.63 | 39 858.88 ± 8 476.72 | 0.17 |