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Table 1 Age, sex and diseases of patients in groups

From: Changes of activity and isoforms of alkaline sphingomyelinase (nucleotide pyrophosphatase phosphodiesterase 7) in bile from patients undergoing endoscopic retrograde cholangiopancreatography

Group

Gallstone

Tumour

PSC

Others

Total

Number

29

13

10

7

59

Female

19

7

6

3

35

Male

10

6

4

4

24

Age range

33–85

60–79

20–82

53–83

20–85

Median age

67

66

48

67

66

Mean age

68.5

66.0

50.2

68.4

65.2