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Table 5 Characteristics of individual studies of KRAS and GNAS mutations in patients with IPMN according to the microscopic duct types

From: KRAS, GNAS, and RNF43 mutations in intraductal papillary mucinous neoplasm of the pancreas: a meta-analysis

Study KRAS mutation (mutation/total) (%) GNAS mutation (mutation/total) (%)
Gastric Pancreato biliary Intestinal Oncocytic Gastric Pancreato biliary Intestinal Oncocytic
Amato E 5/6 (83) 3/3 (100) 14/36 (39) 2/3 (67) 6/6 (100) 1/3 (33) 30/36 (83) 1/3 (33)
Chadwick B 16/19 (84) 6/7 (86) 15/26 (58)      
Fritz S 7/10 (70)   1/7 (14) 0/2 (0)     
Hosada W 40/55 (73) 6/7 (86) 12/27 (44) 1/2 (50) 34/55 (62) 0/7 (0) 21/27 (74) 0/2 (0)
Jang JY 5/13 (38) 4/8 (50) 4/19 (21)      
Kuboki Y 63/97 (65) 7/11 (64) 25/56 (45) 1/8 (13) 45/97 (46) 3/11 (27) 33/56 (59) 1/8 (13)
Mohri D 9/11 (82) 1/1 (100) 3/11 (27) 1/2 (50)     
Singhi AD 30/40 (75) 3/5 (60) 2/5 (40)   13/40 (33) 0/5 (0) 5/5 (100)  
Tan MC 8/10 (80) 10/16 (63) 17/27 (63)   5/10 (50) 5/16 (31) 20/27 (74)  
Wu J 45/52 (87) 7/7 (100) 6/13 (46)   34/52 (65) 3/7 (43) 13/13 (100)