Table 7.
One-way sensitivity analyses of net monetary benefit (NMB) per patient over 3 years at £20,000 per QALY
| Variable modified | Current practice | GP plus CRP | Practice nurse plus CRP | GP plus CRP and communication |
|---|---|---|---|---|
| CRP test costs 50% more | £50,945 | £50,970 | £50,975 | £50,936 |
| CRP test costs 100% more | £50,945 | £50,967 | £50,972 | £50,933 |
| CRP test takes twice as long | £50,945 | £50,961 | £50,974 | £50,927 |
| Antibiotics cost twice as much | £50,940 | £50,968 | £50,973 | £50,935 |
| Duration of RTI is 7 days | £51,003 | £51,015 | £51,020 | £51,018 |
| Duration of RTI is 11 days | £50,917 | £50,934 | £50,940 | £50,939 |
| Twice the risk of anaphylaxis | £50,942 | £50,970 | £50,975 | £50,936 |
| Twice the risk of complications with antibiotics | £50,944 | £50,972 | £50,978 | £50,938 |
| Twice the risk of complications with no antibiotics | £50,943 | £50,970 | £50,976 | £50,937 |
| Utility score of 1 if healthy | £59,145 | £59,192 | £59,198 | £59,132 |
| Utility score 0.1 higher for the duration of an RTI | £51,058 | £51,071 | £51,077 | £51,056 |
| Utility score 0.1 lower for the duration of an RTI | £50,833 | £50,874 | £50,880 | £50,821 |
CRP C-reactive protein, GP general practitioner, RTI respiratory tract infection