Table 3.
Cost-effectiveness of 16 strategies of colorectal screening among Korean adults with changing NHI1 coverage and compliance.
| Strategy (abbreviation) | Lifetime cost per person, won2 | Lifetime financial burden of NHI1, won2 | Incremental C/E3, won2 per life-year gained | Strategy (abbreviation) | Lifetime cost per person, won2 | Lifetime financial burden of NHI1, won2 | Incremental C/E3, won2 per life-year gained |
| NHI1 coverage = 50% | NHI1 coverage = 100% | ||||||
| Screening compliance = 45%, | Screening compliance = 60%, | ||||||
| Follow-up compliance = 65% | Follow-up compliance = 80% | ||||||
| COL10 | 310354 | 178233 | COL10 | 307395 | 226848 | ||
| COL5 | 311640 | 188051 | 93440 | COL at 55 | 308933 | 192405 | (Dominated) |
| COL at 55 | 321624 | 172824 | (Dominated)4 | SIG5 | 316541 | 235951 | (Dominated) |
| SIG3 | 328365 | 197511 | (Dominated) | SIG10 | 321728 | 214095 | (Dominated) |
| SIG5 | 332244 | 191881 | (Dominated) | SIG3 | 323691 | 261056 | (Extended Dominated)5 |
| COL3 | 336101 | 207072 | 2113350 | COL5 | 325435 | 267054 | 1371670 |
| SIG10 | 339760 | 186587 | (Dominated) | SIG at 55 | 330560 | 191573 | (Dominated) |
| SIG at 55 | 347179 | 181334 | (Dominated) | FOBT2 | 370827 | 216521 | (Dominated) |
| SIG5+DCBE5 | 369225 | 213205 | (Dominated) | No screening | 370968 | 185809 | (Dominated) |
| No screening | 370847 | 185499 | (Dominated) | COL3 | 374192 | 323357 | 5656770 |
| FOBT2 | 373988 | 208794 | (Dominated) | FOBT1+SIG5 | 382870 | 277687 | (Dominated) |
| FOBT1+SIG5 | 380512 | 238067 | (Dominated) | SIG5+DCBE5 | 383934 | 303581 | (Dominated) |
| FOBT1 | 388456 | 234316 | (Dominated) | FOBT1 | 389668 | 248595 | (Dominated) |
| DCBE10 | 394938 | 209420 | (Dominated) | DCBE10 | 397017 | 260523 | (Dominated) |
| DCBE5 | 420550 | 229974 | (Dominated) | DCBE5 | 429376 | 316022 | (Dominated) |
| DCBE3 | 455758 | 255914 | (Dominated) | DCBE3 | 478144 | 384805 | (Dominated) |
COL, colonoscopy; SIG, sigmoidoscopy; DCBE, double contrast barium enema; FOBT, fecal occult blood test.
1
National Health Insurance of Korea.
2
Exchange rate: 1 200 Korean won for one US dollar.
3
Incremental CE ratio (won/year) = Incremental cost per person/incremental days of life gained×365 d.
4
Dominated strategy is a strategy that is more or equally costly and less effective than a competing strategy.
5
Extended dominated: Extended dominated strategy is a strategy which is less effective and had a higher ICER than another strategy.