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Table 5 Sensitivity analysis

From: A cost-minimisation study of 1,001 NHS Direct users

  Variance from the average
  999 = £344 + GP = £19.17 999 = £263 + GP = £19.17 999 = £344 + GP = £31 999 = £263 + GP = £31 Average annual cost savings 999 = £344 + GP = £19.17 999 = £263 + GP = £19.17 999 = £344 + GP = £31 999 = £263 + GP = £31
Mainstage Unweighted £144,391,905.35 £140,861,394.77 £154,360,730.59 £150,830,220.01 £147,611,062.68 97.8% 95.4% 104.6% 102.2%
Mainstage Weighted £97,509,876.63 £101,684,902.29 £98, 708, 201.64 £102,883,227.31 £100,196,551.97 97.3% 101.5% 98.5% 102.7%
Economic Impact Unweighted £110,594,055.94 £108,166,483.52 £118,216,783.22 £115,789,210.79 £113,191,633.37 97.7% 95.6% 104.4% 102.3%
Economic Impact Weighted £97,756,012.97 £102,066,686.63 £100,031,550.35 £104,342,224.00 £101,049,118.49 96.7% 101.0% 99.0% 103.3%
Unweighted Average £127,492,980.65 £124,513,939.14 £136,288,756.91 £133,309,715.40 £130,401,348.02     
Weighted Average £97,632,944.80 £101,875,794.46 £99,369,875.99 £103,612,725.66 £100,622,835.23     
Mainstage Unweighted % from average 113.3% 113.1% 113.3% 113.1%      
Economic Unweighted % from average 86.7% 86.9% 86.7% 86.9%      
Unweighted Variance from the average 26.5% 26.3% 26.5% 26.3%      
Mainstage weighted % from the average 99.9% 99.8% 99.3% 99.3%      
Economic weighted % from the average 100.1% 100.2% 100.7% 100.7%      
Variance 0.3% 0.4% 1.3% 1.4%