Table 3.
Additional keywords of each CQ and number of hits in searching process
| No. | Additional keywords | Number of hits | ||
|---|---|---|---|---|
| PubMed | Cochrane | Ichushi-Web | ||
| CQ1 | Etiology, pathogenesis | 202 | 6 | 48 |
| CQ2 | Epidemiology | 269 | 6 | 14 |
| CQ3 | Japan | 64 | 6 | 48 |
| CQ4 | Pathology, causes, pathophysiology | 388 | 6 | 19 |
| CQ5 | Diagnosis, symptoms, cohort studies, epidemiology | 400 | 6 | 20 |
| CQ6 | Cholestasis, biochemical test, biliary enzymes, liver enzymes, autoantibody, diagnosis | 130 | 69 | 69 |
| CQ7 | Imaging diagnosis | 412 | 111 | 207 |
| CQ8 | Endoscopic retrograde cholangiopancreatography, magnetic resonance cholangiopancreatography | 153 | 35 | 11 |
| CQ9 | Liver biopsy | 117 | 20 | 74 |
| CQ10 | Cholangiocarcinoma, diagnosis | 557 | 6 | 84 |
| CQ11 | Drug therapy | 252 | 6 | 61 |
| CQ12 | Pruritus | 80 | 6 | 6 |
| CQ13 | Drainage | 172 | 6 | 18 |
| CQ14 | Liver transplantation, indication | 78 | 0 | 18 |
| CQ15 | Outcome, prognosis | 210 | 6 | 26 |
| CQ16 | Population-based, guideline, varices, bone disease, malignancies, gallbladder, cholangiocarcinoma, inflammatory bowel disease, ulcerative colitis | 822 | 6 | 18 |