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Table 2 Average payments and characteristics of study and control groups

From: Primary care capitation payments in the UK. An observational study

  All Welsh practices (n = 494) All English practices (n = 8436) Study group Welsh practices (n = 486) Study group English practices (n = 680)
Modified Global Sum, a £ 55.26 £ 55.05 £ 55.29 £ 55.94
Original Global Sum, b £ 61.50 £ 54.70 £ 61.53 £ 54.61
Total Funding MPIG, c - - £ 68.08 £ 67.31
Adjusting effect (a-b) £ -6.24 £ 0.35 £ -6.24 £ 0.33
Income support (CF) (c-a) - - £ 12.79 £ 12.37
Net income support (c-b) - - £ 6.56 £ 12.70
Additional Needs Index 1.08 1.01 1.08 0.96
Average List Size 6293 6377 6344 6456
Modified needs weighting 1.01 1.01 1.01 1.00
Original needs weighting 1.12 1.00 1.12 1.00
  1. All funding figures are expressed in £ per patient per year
  2. Global Sum = Weighted-normalised list × £54.72
  3. MPIG = Minimum Practice Income Guarantee = Modified Global Sum + Correction Factor
  4. CF = Correction Factor
  5. Original Needs Weighting = number of weighted patients/number of patients (using original formula)
  6. Modified Needs Weighting = number of weighted patients/number of patients (using modified formula)
  7. Details of t-tests comparing the various groups are listed in additional file 3