Sensitivity analysis of estimated number of relevant A&E attendances in England in 2012–2013 (millions)
| Estimated number of general practice consultations in England, 2012–2013 | Ratio of relevant A&E attendances to general practice consultations in GPPS sample, 2012–2013 | ||||
|---|---|---|---|---|---|
| X1*0.75 0.01252 | X1*0.9 0.01503 | X1 0.01669 | X1*1.1 0.01836 | X1*1.25 0.02087 | |
| a303 900 000 | 3.805 | 4.566 | 5.074 | 5.581 | 6.342 |
| X2345 600 000 | 4.327 | 5.193 | 5.770c | 6.347 | 7.212 |
| b387 300 000 | 4.849 | 5.819 | 6.466 | 7.112 | 8.082 |
The unit of the estimates provided is millions of A&E attendances. X1: the bootstrapped mean ratio of relevant A&E attendances to general practice consultations in the GP Patient Survey (GPPS) sample (to 4 significant figures). X2: the estimated number of general practice consultations in England in 2012–2013, based on a simple linear regression of national data for 2000–2001 to 2008–200910 (to 4 significant figures).
↵a The number of general practice consultations previously estimated for England in 2008–2009.11
↵b The number of general practice consultations estimated for 2012–2013 based on a doubling of the difference between 303.9 million and 345.6 million.
↵c 99.9% CI = 5.49 to 6.05 million.