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Table 2 Comparison of aetiological factors between mixed cholesterol GS and black pigment GS groups

From: Can the type of gallstones be predicted with known possible risk factors?: a comparison between mixed cholesterol and black pigment stones

Aetiological factor

Mixed cholesterol group (n = 38)

Black pigment group (n = 48)

P value

Family history of GS disease (n, %)

   

  Positive

05 (13)

01 (02)

0.083γ

  Negative

33 (87)

47 (98)

Body Mass Index (n, %)

   

  <25 kg/m2

12 (32)

27 (56)

0.018ψ

  >25 kg/m2

26 (68)

21 (44)

Body Mass Index (n, %)

   

  <23 kg/m2

07 (18)

14 (29)

0.224ψ

  >23 kg/m2

32 (82)

34 (71)

Exogenous oestrogen in females (n, %)

12 (36)

09 (27)

0.173ψ

  Positive

   

  Negative

21 (64)

24 (83)

 

Parity (Mean, SD)

2.97 (1.59)

2.79 (1.58)

0.649*

Smoking in males (n, %)

   

  Positive

04 (80)

08 (53)

0.603γ

  Negative

01 (20)

07 (47)

Alcohol consumption in males (n, %)

  

1.000γ

  Positive

04 (80)

12 (80)

  Negative

01 (20)

03 (20)

Dyslipidaemia (n, %)

  

0.651γ

  Positive

03 (08)

02 (04)

  Negative

35 (92)

46 (96)

Serum total cholesterol (mg/dl)

169.67 ± 25.90

171.47 ± 27.17

0.790*

Serum triglycerides (mg/dl)

153.74 ± 19.02

145.20 ± 26.74

0.153*

Serum HDL-cholesterol (mg/dl)

54.11 ± 9.36

51.18 ± 8.89

0.211*

Serum LDL-cholesterol (mg/dl)

85.96 ± 33.55

85.84 ± 26.62

0.988*

Fasting Blood Glucose (mg/dl)

98.80 ± 19.26

98.01 ± 15.71

0.854*

Type II Diabetes Mellitus (n, %)

  

0.035γ

  Positive

04 (11)

15 (31)

  Negative

34 (89)

33 (69)

Chronic haemolytic anaemia

  

-

  Positive

00 (00)

01 (02)

  Negative

38 (100)

47 (98)

Chronic liver disease

  

-

  Positive

00 (00)

04 (08)

  Negative

38 (100)

47 (92)

  1. γFisher’s exact test.
  2. ψChi Square test.
  3. *Two sample t test.