| Study ID |
ERCP |
Surgery |
| Bansal 2010 |
Mean (range): 39.07 (23 to 64) |
Mean (range): 47.1 (34 to72) |
| Bornman 1992 |
Mean (SD): 54 (14) |
Mean (SD): 55 (15) |
| Cuschieri 1999 |
Range: 18 to 89 |
Range: 19 to 88 |
| Hammarstrom 1995 |
Median (range): 75 (56 to 85) |
Median (range): 73.5 (56 to 85) |
| Hong 2006 |
Not stated. |
15 to 82 years (mean, 48) |
| Kapoor 1996 |
Mean (range): 42 (20 to 60) |
Mean (range): 46 (24 to 75) |
| Nathanson 2005 |
Median (range): 59.6 (18 to 92) |
Median (range): 56.1 (17 to 91) |
| Neoptolemos 1987 |
Median (range): 61 (20 to 83) |
Median (range): 59 (20 to 82) |
| Noble 2009 |
74.3 (70.0 to 78.9) |
75.9 (70 to 80.8) |
| Rhodes 1998 |
Mean (range): 68 (28 to 84) |
Mean (range): 62 (24 to 83) |
| Rogers 2010 |
Mean 44.6 |
Mean 39.9 |
| Sgourakis 2002 |
Range: 46 to 89 |
Range: 43 to 88 |
| Stain 1991 |
Mean (range): 48.4 (31 to 78) |
Mean (range): 42.4 (20 to 86) |
| Stiegmann 1992 |
Mean (SD): 46.3 (21.7) |
Mean (SD): 38.1 (14.8) |
| Suc 1998 |
Mean (SD): 66.8 (17.5) |
Mean (SD): 66.7 (18.1) |
| Targarona 1996 |
Mean (SD): 79 (9) |
Mean (SD): 80 (7) |
