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. 2023 Dec 25;40(6):1108–1116. [Article in Chinese] doi: 10.7507/1001-5515.202310015

表 1. Comparison of breathing patterns between AHF group and control group.

AHF组和对照组的呼吸模式比较

变量 对照组(n=24) AHF组(n=39) P
呼吸周期参数
 BR_mean/(次/分) 15.95 ± 3.08 21.03 ± 3.84 < 0.001
 BR_cv(%) 24.85(19.83~32.45) 28.77(23.25~39.49) 0.151
 TI_mean/s 1.78 ± 0.33 1.39 ± 0.24 < 0.001
 TI_cv(%) 39.28(30.77~59.50) 73.39(48.87~109.23) 0.001
 TE_mean/s 2.45 ± 0.52 2.07 ± 0.42 0.004
 TE_cv(%) 48.22 ± 18.43 88.63 ± 49.15 < 0.001
 TI_ratio_mean(%) 42.80 ± 3.80 41.70 ± 3.42 0.250
 TI_ratio_cv(%) 21.80 ± 5.35 25.44 ± 6.96 0.023
呼吸幅度参数
 H_sum_cv(%) 64.74 ± 38.08 72.35 ± 24.92 0.390
 R_RSBI_cv(%) 58.48(45.34~65.95) 70.96(54.34~104.28) 0.005
胸腹协调性参数
 AB_ratio_mean(%) 62.86 ± 11.02 57.39 ± 10.78 0.060
 AB_ratio_cv(%) 17.10 ± 6.83 22.52 ± 7.14 0.004
 LBI_mean 1.08(1.04~1.13) 1.06(1.04~1.13) 1.000
 LBI_cv(%) 12.55(8.42~15.97) 16.53(10.94~27.06) 0.030
呼吸率非线性参数
 SD1/ms 1 454.73 ± 934.02 2 217.37 ± 1 541.64 0.017
 SD2/ms 1 696.63 ± 864.95 2 514.39 ± 1 568.45 0.010
 ApEn 1.29 ± 0.26 1.00 ± 0.33 < 0.001
 SampEn 1.01 ± 0.29 0.67 ± 0.37 < 0.001