Table 3 Comparison of PAC-SYM and its subscales between the intervention and the control groups (N = 60)

PAC-SYM

intervention group

1.31 ± 0.31

0.87 ± 0.29

1.11 ± 0.31

Time

Group

Time*Group

0.58

52.75

40.54

0.45

< 0.0001

< 0.0001

0.01

0.48

0.42

Control group

1.37 ± 0.31

1.27 ± 0.29

1.25 ± 0.28

Β^b(95% CI)

-0.05(-0.21,0.10)

-0.36(-0.43,-0.28)

-0.08(-0.16,-0.01)

F^c

0.48

89.6

5.3

P

0.49

< 0.0001

0.025

Abdominal symptoms

intervention group

0.72 ± 0.31

0.32 ± 0.26

0.49 ± 0.33

Time

Group

Time*Group

0.02

13.66

30.46

0.88

0.001

 < 0.0001

0.00

0.19

0.35

Control group

0.66 ± 0.30

0.57 ± 0.34

0.50 ± 0.34

Β^b(95% CI)

0.06(-0.1, 0.22)

-0.29(-0.39, -0.20)

-0.06(-0.17, 0.05)

F^c

0.55

36.97

1.12

P

0.46

 < 0.0001

0.28

Rectal symptoms

intervention group

1.04 ± 0.34

0.75 ± 0.29

1.00 ± 0.39

Time

Group

Time*Group

3.95

2.51

15.32

0.05

0.12

0.001

0.06

0.04

0.21

Control group

1.16 ± 0.33

1.07 ± 0.32

1.02 ± 0.33

Β^b(95% CI)

-0.12(-0.30, 0.03)

-0.24(-0.35, -0.13)

0.05(-0.12, 0.22)

F^c

2

19.62

0.31

P

0.16

< 0.0001

0.58

Stool symptoms

intervention group

1.96 ± 0.51

1.40 ± 0.40

1.77 ± 0.46

Time

Group

Time*Group

0.24

30.47

36.06

0.63

< 0.0001

< 0.0001

0.004

0.35

0.39

Control group

2.03 ± 0.43

1.95 ± 0.42

1.96 ± 0.41

Β^b(95% CI)

-0.07(-0.32, 0.17)

-0.51(-0.65, -0.37)

-0.14(-0.26, -0.02)

F^c

0.36

51.26

5.15

P

0.55

< 0.0001

0.02