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A systematic review of the effectiveness of adalimumab

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Appendix 10<br />

TABLE 149 Variation 14: TNF inhibitors last (20,000 patients)<br />

Option Cost (£) QSE QALYs QSE<br />

Adal 37,360 214 1.8689 0.0219<br />

Etan 49,845 262 2.9910 0.0267<br />

Adal+MTX 37,334 215 2.1633 0.0223<br />

Etan+MTX 50,136 263 2.9875 0.0272<br />

Infl+MTX 37,314 208 1.9216 0.0226<br />

Base 2,869 11 1.0236 0.0183<br />

Comparison Diff. cost (£) QSE Diff. QALY QSE<br />

Adal – Base 34,491 213 0.8453 0.0160<br />

Etan – Base 46,976 259 1.9675 0.0229<br />

Ad+M – Base 34,465 213 1.1398 0.0171<br />

Et+M – Base 47,267 260 1.9639 0.0234<br />

In+M – Base 34,445 206 0.8980 0.0170<br />

Adal – Ad+M 26 292 –0.2945 0.0204<br />

Et+M – Etan 291 348 –0.0035 0.0299<br />

Etan – Adal 12,485 322 1.1222 0.0253<br />

Et+M – Ad+M 12,802 323 0.8242 0.0263<br />

Ad+M – In+M 20 289 0.2417 0.0213<br />

Et+M – In+M 12,822 316 1.0659 0.0262<br />

Comparison ICER (£ per QALY) Quasi-CI<br />

Adal – Base 40,800 39,200 to 42,500<br />

Etan – Base 23,900 23,300 to 24,500<br />

Ad+M – Base 30,200 29,300 to 31,300<br />

Et+M – Base 24,100 23,500 to 24,700<br />

In+M – Base 38,400 36,900 to 39,900<br />

Adal – Ad+M Adal+MTX more effective than Adal alone; diff. cost not significant<br />

Et+M – Etan Comparison is inconclusive<br />

Etan – Adal 11,100 10,400 to 11,900<br />

Et+M – Ad+M 15,500 14,400 to 16,900<br />

Ad+M – In+M Adal+MTX more effective than Infl+MTX; diff. cost not significant<br />

Et+M – In+M 12,000 11,200 to 12,900<br />

Variation 15<br />

In this variation, short-term quitters on TNF inhibitors were increased by 50% compared to <strong>the</strong> base case.<br />

TABLE 150 Variation 15: TNF inhibitors first (400,000 patients)<br />

Option Cost (£) QSE QALYs QSE<br />

Adal 48,439 51 8.9461 0.0084<br />

Etan 63,188 62 9.2858 0.0087<br />

Adal+MTX 48,589 52 8.4953 0.0080<br />

Etan+MTX 63,452 63 8.9254 0.0085<br />

Infl+MTX 47,964 50 8.3522 0.0080<br />

Base 15,293 10 8.2891 0.0079<br />

Comparison Diff. cost (£) QSE Diff. QALY QSE<br />

Adal – Base 33,146 50 0.6569 0.0085<br />

Etan – Base 47,895 61 0.9967 0.0087<br />

Ad+M – Base 33,296 51 0.2062 0.0083<br />

Et+M – Base 48,159 61 0.6362 0.0086<br />

In+M – Base 32,670 49 0.0631 0.0083<br />

Ad+M – Adal 150 70 –0.4507 0.0085<br />

Et+M – Etan 264 83 –0.3604 0.0090<br />

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