Table 4 Sensitivity analysis 2, Spearman correlations between measures of health gain and incentive payment
Measure of health gain | 2004 QOF payment (rcts only) | 2006 QOF payment (rcts only) | 2004 QOF payment (without BP5) | 2006 QOF payment (without BP5) |
|---|---|---|---|---|
1% improvement in achievable lives saved and incentive gained | Rho = 0.058 p = 0.111 n = 11 | Rho = 0.058 p = 0.111 n = 11 | Rho = 0.137 p = 0.553 n = 21 | Rho = -0.147 p = 0.561 n = 18 |
1% increase in achievable QALYs and incentive gained | Rho = 0.450 p = 0.310 n = 7 | Rho = 0.611 p = 0.108 n = 8 | Rho = 0.180 p = 0.670 n = 8 | Rho = 0.178 p = 0.601 n = 11 |
lives saved to target and maximum incentive payment | Rho = 0.381 p = 0.247 n = 11 | Rho = 0.263 p = 0.434 n = 11 | Rho = 0.095 p = 0.683 n = 21 | Rho = -0.326 p = 0.186 n = 18 |
QALYs gained to target and maximum incentive payment | Rho = 0.148 p = 0.751 n = 7 | Rho = 0.366 p = 0.373 n = 8 | Rho = -0.098 p = 0.818 n = 8 | Rho = -0.064 p = 0.851 n = 11 |
Maximum achievable lives saved and maximum incentive payment | Rho = 0.428 p = 0.189 n = 11 | Rho = 0.412 p = 0.208 n = 11 | Rho = 0.130 p = 0.572 n = 21 | Rho = -0.223 p = 0.373 n = 18 |
Maximum achievable QALYs gained and incentive payment | Rho = 0.150 p = 0.749 n = 7 | Rho = 0.368 p = 0.370 n = 8 | Rho = -0.098 p = 0.817 n = 8 | Rho = -0.065 p = 0.851 n = 11 |