Table 1.
Characteristics of included studies.
| Study (year) | Country | Type of study | Number of patients ES/ES + EPLBD |
Age (mean) ES/ES + EPLBD |
Gender, M (%) ES/ES + EPLBD |
Mean CBD diameter (mm ± SD) ES/ES + EPLBD |
Large balloon dilation size (mm) | Mean size of the stone (mm ± SD) ES/ES + EPLBD | Size of ES ES/ES + EPLBD |
Periampullary diverticulum (%) ES/ES + EPLBD |
|---|---|---|---|---|---|---|---|---|---|---|
| Heo (2007) | Korea | RCT | 100/100 | 63/64 | 50/48 | N/A | 12–20 | 15 ± 0.7/16 ± 0.7 | Full/Limited | 45/49 |
| Itoi (2009) | Japan | Retrospective | 48/53 | 73/75 | 58/38 | 18 ± 4.3/17 ± 3.7 | 15–20 | 15 ± 3.2/15 ± 3.5 | Full/Full | 58/47 |
| Kim HG (2009) | Korea | RCT | 28/27 | 70/70 | 39/37 | 21 ± 5.7/21 ± 6.3 | 15–18 | 21 ± 5.2/21 ± 4.1 | Full/Limited | 36/33 |
| Hong GY (2009) | Korea | Retrospective | 65/70 | N/A | N/A | N/A | 15 or 20 | N/A | N/A | 49/57 |
| Kim TH (2011) | Korea | Retrospective | 77/72 | 69/69 | 49/54 | 19 ± 4.4/18 ± 3.3 | N/A | N/A | Full/Limited | N/A |
| Teoh (2013) | China | RCT | 78/73 | 73/72 | 51/44 | N/A | 15 | N/A | Full/Limited | NA |
| Rosa (2013) | Portugal | Retrospective | 43/68 | 73/71 | 35/34 | 16.4 ± 7.2/17.1 ± 3.4 | 12–18 | 16.0 ± 6.7/16.8 ± 4.4 | N/A | N/A |
RCT: randomized controlled trial; ES: endoscopic sphincterotomy; EPLBD: endoscopic papillary large balloon dilation; N/A: not available; CBD: common bile duct; SD: standard deviation.