Symptoms

Degree*

Sensitivity to cold group (n = 146)

Non-sensitivity to cold group (n = 123)

P-value

Abdominal pain

no symptoms

10

(6.9)

17

(14.0)

0.057

mild

62

(43.1)

58

(47.9)

severe

72

(50.0)

46

(38.0)

missing

2

2

Headache

no symptoms

67

(46.9)

68

(55.7)

0.318

mild

52

(36.4)

39

(32.0)

severe

24

(16.8)

15

(12.3)

missing

3

1

Low back pain

no symptoms

31

(21.2)

48

(39.3)

0.004

mild

66

(45.2)

38

(31.1)

severe

49

(33.6)

36

(29.5)

missing

0

1

Nausea

no symptoms

115

(79.3)

104

(85.2)

0.162

mild

19

(13.1)

15

(12.3)

severe

11

(7.6)

3

(2.5)

missing

1

1

Abdominal distension

no symptoms

51

(34.9)

49

(40.5)

0.633

mild

79

(54.1)

59

(48.8)

severe

16

(11.0)

13

(10.7)

missing

0

2

Constipation

no symptoms

69

(47.3)

77

(63.6)

0.021

mild

67

(45.9)

36

(29.8)

severe

10

(6.8)

8

(6.6)

missing

0

2