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Clinical Practice Guidelines - National Health and Medical Research ...

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Study Country Comparator/<br />

screening test<br />

Sonnenberg <strong>and</strong><br />

Delco 25<br />

Sonnenberg et<br />

al 26<br />

United<br />

States<br />

United<br />

States<br />

Ladabaum et al 27 United<br />

States<br />

Norum 28<br />

Flanagan et al 29<br />

Single COL (age<br />

65yrs) vs repeated<br />

COL (from 50yrs)<br />

vs no screening<br />

CT colonography<br />

vs COL vs no<br />

screening<br />

CTC 10yrly vs<br />

COL 10yrly<br />

Norway FSIG + FOBT<br />

(followed by COL<br />

in selected risk<br />

groups) vs no<br />

screening<br />

Canada FOBT + COL vs<br />

no screening<br />

Conclusion<br />

Compared to no screening, ICER/LYG for<br />

single <strong>and</strong> repeated COL is $US2981 <strong>and</strong><br />

$US10,983 ($A5109 <strong>and</strong> $A18,821).<br />

Compared to single, ICER/LYG for<br />

repeated COL is $US14,878 ($A25,496).<br />

Sensitivity analysis shows single COL<br />

most effective if screening at 60yrs, most<br />

cost-effective after 70yrs. Depending on<br />

compliance, repeated COL is 2–3 times<br />

more effective than single COL. Repeated<br />

COL 10yrly is the best option. If high cost<br />

or low compliance renders this option not<br />

feasible, single COL at age 65yrs is a costeffective<br />

alternative.<br />

COL is more cost-effective than CT<br />

colonography. ICER of CT colonography<br />

vs no screening, was $US11,484<br />

($A17,934)/LYG <strong>and</strong> ICER of COL vs CT<br />

colonography was $US10,408<br />

($A16,254)/LYG. Results are sensitive to<br />

cost <strong>and</strong> compliance. CT colonography<br />

cost

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