Mean age in years (range) | 47.7 (21–81) | 54.0 (34–71) | 43.6 (17–79) |
Number of women (%) | 90 (71) | 15 (68) | 71 (84) |
Number of patients using H2-receptor antagonist at inclusion (%) | 32 (25) | 3 (14) | 8 (9) |
Number with comorbidity (%) | 41 (33) | 9 (41) | 34 (40) |
Number of patients at a high level of suspicion for the presence of gallstone disease (%) | 83 (66) | 14 (64) | 80 (94) |
Mean number of months to follow-up (range) | 15.2 (3–33) | 19.2 (9–30) | 18.7 (2–40) |