Table 1 Clinical characteristics of 557 non-AIP CP patients
Items | Male (n = 393) n(%) | Female (n = 164) n(%) | Overall (n = 557) n(%) |
|---|---|---|---|
Body mass index, kg/m2a | 26.56 ± 105.94 | 20.89 ± 3.58 | 24.89 ± 89.01 |
Age at the onset of CP, ya | 38.89 ± 15.86 | 31.09 ± 17.05 | 36.60 ± 16.59 |
Age at the diagnosis of CP, ya | 43.60 ± 14.40 | 36.57 ± 16.00 | 41.53 ± 15.22 |
Etiology | |||
ACP | 97(24.7) | 15(9.1) | 112(20.1) |
ICP | 266(67.7) | 126(76.8) | 392(70.4) |
Abnormal anatomy of pancreatic duct | 18(4.6) | 11(6.7) | 29(5.2) |
Hereditary CP | 11(2.8) | 11(6.7) | 22(3.9) |
Post-traumatic CP | 1(0.3) | 1(0.6) | 2(0.4) |
Pancreatic stones | 363(92.4) | 153(93.3) | 517(92.6) |
Adolescent | 40(10.2) | 32(19.5) | 72(12.9) |
DM | 102(26.0) | 33(20.1) | 135(24.2) |
Steatorrhea | 91(23.2) | 41(25.0) | 132(23.7) |
Common bile duct stricture | 40(10.2) | 7(14.9) | 47(8.4) |
PPC | 74(18.8) | 20(12.2) | 94(16.9) |
SAP | 13(3.3) | 4(2.4) | 17(3.0) |
Onset manifestations | |||
Abdominal pain | 320(81.4) | 116(70.7) | 436(78.3) |
Pancreatic insufficiency | 53(13.5) | 35(21.3) | 88(15.8) |
Others | 20(5.1) | 13(7.9) | 33(5.9) |
Type of abdominal pain | |||
None | 31(7.9) | 26(15.9) | 57(10.2) |
Repeat attacks of acute pancreatitis | 120(30.5) | 45(27.4) | 165(29.6) |
Repeat pain | 138(35.1) | 57(34.8) | 195(35.0) |
Repeat acute attacks and pain | 71(18.1) | 25(15.2) | 96(17.2) |
Chronic pain | 33(8.4) | 11(6.7) | 44(7.9) |
Drinking history (g/d) | |||
0 | 223(56.7) | 130(79.3) | 353(63.4) |
< 20 | 13(3.3) | 5(3.0) | 18(3.2) |
20~80 | 53(13.5) | 10(6.1) | 63(11.3) |
> 80 | 104(26.5) | 19(11.6) | 123(22.1)b |
Smoking history, pack-year | |||
0 | 212(53.9) | 130(79.3) | 342(61.4) |
< 60 | 161(41.0) | 32(19.5) | 193(34.6) |
≥ 60 | 20(5.1) | 2(1.2) | 22(3.9) |
DM in first−/second−/third-degree relatives | 57(14.5) | 28(17.1) | 85(15.3) |
Pancreatic diseases in first−/second−/third-degree relatives | 12(3.1) | 7(4.3) | 19(3.4) |
Elevated IgGc | 16(4.1) | 3(1.8) | 19(3.4) |
Elevated IgG4c | 19(4.8) | 2(1.2) | 21(3.8) |