Table 4.
Patients Who Underwent All ERCP Procedures by Administrative Division
| Region | Year, No. (%) | ||||
|---|---|---|---|---|---|
| 2013 | 2014 | 2015 | 2016 | 2017 | |
| Seoul | 14,492 (35.5) | 14,339 (34.7) | 14,164 (34.3) | 16,707 (35.5) | 16,055 (34.1) |
| Gyeonggi | 7,564 (18.7) | 8,313 (20.1) | 8,951 (21.7) | 10,358 (22.0) | 10,474 (22.3) |
| Gangwon | 1,095 (2.7) | 1,190 (2.9) | 1,181 (2.9) | 1,272 (2.7) | 1,299 (2.8) |
| Chungbuk | 858 (2.1) | 889 (2.2) | 771 (1.9) | 832 (1.8) | 885 (1.9) |
| Chungnam | 2,138 (5.3) | 2,291 (5.5) | 2,156 (5.2) | 2,532 (5.4) | 2,767 (5.9) |
| Jeonbuk | 1,883 (4.6) | 1,976 (4.8) | 1,968 (4.8) | 2,064 (4.4) | 1,822 (3.9) |
| Jeonnam | 2,466 (6.1) | 2,385 (5.8) | 2,497 (6.0) | 2,734 (5.8) | 2,765 (5.9) |
| Gyeongbuk | 3,810 (9.4) | 3,579 (8.7) | 3,576 (8.7) | 3,870 (8.2) | 4,004 (8.5) |
| Gyeongnam | 6,076 (15.0) | 6,268 (15.2) | 5,963 (14.4) | 6,665 (14.2) | 6,877 (14.6) |
| Jeju | 432 (1.1) | 414 (1.0) | 415 (1.0) | 376 (0.8) | 409 (0.9) |
| Total | 40,516 (100.0) | 41,348 (100.0) | 41,332 (100.0) | 47,057 (100.0) | 47,027 (100.0) |
ERCP, endoscopic retrograde cholangiopancreatography.