Frequency of symptoms related to gallstones at inclusion in patients at a low level of suspicion (n = 56) and at a high level of suspicion (n = 177) for gallbladder stone disease.
| Low level of suspicion (%) | High level of suspicion (%) | P-valuea | |
|---|---|---|---|
| Biliary pain | 21/56 (38) | 101/177 (57) | 0.011 |
| Upper abdominal pain | 34/56 (61) | 144/177 (81) | 0.002 |
| Vomiting | 12/54 (22) | 67/172 (39) | 0.024 |
| Gallstones detected by ultrasound scan | 13/56 (23) | 94/177 (53) | 0.0001 |
↵aχ2 test, 1 degree of freedom.