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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