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Table 1 Correlation coefficients (C.C.) between the selected features and measured colon transit time (CTT) and their p-values

From: Non-invasive algorithm for bowel motility estimation using a back-propagation neural network model of bowel sounds

 

J1, 3

S1, 2

S3, 2

J3.3

S2, 2

S2, 1

CTT

N1

0.154

37.6

36.1

0.159

35.1

35.4

10.8

N2

0.172

34.4

34.2

0.167

35.4

35.6

26.4

N3

0.176

38.3

36.6

0.177

38.2

37.0

10.8

N4

0.173

34.7

32.4

0.166

35.1

33.8

2.4

N5

0.162

34.6

36.8

0.155

36.3

38.3

18.0

N6

0.164

34.6

34.1

0.168

35.2

35.0

12.0

N7

0.160

37.1

36.5

0.164

34.7

35.2

16.8

N8

0.161

34.5

35.0

0.164

35.7

37.5

60.0

N9

0.157

36.2

33.8

0.168

35.4

37.3

26.4

N10

0.159

36.0

36.0

0.161

34.6

38.2

25.2

N11

0.167

35.0

36.7

0.165

34.3

36.4

2.4

N12

0.163

32.3

32.3

0.161

35.8

33.1

33.0

P1

0.132

30.2

31.1

0.151

30.1

29.8

69.0

P2

0.139

32.0

27.8

0.148

32.6

31.9

86.0

P3

0.147

31.8

30.6

0.154

31.7

32.4

102.0

P4

0.149

30.9

34.5

0.156

35.0

31.9

66.0

P5

0.134

32.5

30.8

0.142

30.7

30.5

82.2

P6

0.155

29.9

30.9

0.155

30.5

30.7

68.0

C.C.

-0.79*

-0.76*

-0.75*

-0.74*

-0.72*

-0.68*

 
  1. N: normal subject, P: patient, Jch, t: jitter, Sch, t: shimmer, *: p < 0.01