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Table 4 Statistical analysis results of characteristic values between Pro-op and 3 h-Pro-op

From: Changes in bowel sounds of inpatients undergoing general anesthesia

CVs Pre-op (n = 18) 3 h-Pro-op (n = 18) p values
Num_bs 23.5 (18.25) 20 (24) 0.979**
Sum_bs 6,150,012 (4,826,065) 5,483,036 (5,221,266) 0.979*
Sum_Duration_bs 100,070 (43,353) 83,282 (53,044) 0.865*
Mean_Duration 0.565 (0.492) 0.440 (0.236) 0.645**
Std_Duration 0.754 (0.669) 0.480 (0.366) 0.865*
Mean_Mag_bs 57.345 (42.065) 58.564 (33.982) 0.979*
Std_Mag_bs 34.746 (20.342) 42.825 (31.226) 0.865*
Mean_RR 0.114 (0.049) 0.120 (0.054) 0.979*
Std_RR- 0.050 (0.057) 0.068 (0.032) 0.865**
Mean_Lmean 29.129 (7.657) 30.685 (8.675) 0.979*
Std_Lmean 12.679 (9.011) 13.601 (7.473) 0.979*
Mean_ENTR 4.023 (0.199) 4.022 (0.237) 0.988*
Std_ENTR 0.352 (0.107) 0.393 (0.100) 0.865*
Mean_TT 32.337 (10.111) 33.285 (12.157) 0.979*
Std_TT 17.746 (11.587) 18.331 (9.279) 0.979*
  1. Pro-op after operation, 3 h-Pro-op 3 h after operation
  2. * Values of this line are presented as mean (standard deviation), and the statistical method is the paired t test when the data are normally distributed
  3. ** Values of this line are presented as median (quartile range), and the statistical method is the rank-sum test when the data are not normally distributed. CVs, characteristic values