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Table 2 Health care expenditures (in €) by sector and study condition

From: Health economic evaluation of an internet intervention for depression (deprexis), a randomized controlled trial

  Intervention (n=1,904) Control (n=1,901)  
Mean 5% trimmed mean 95% - CI of the mean p-value within-group differences Mean 5% trimmed mean 95% - CI of the mean p-value within-group differences p-value between-group differencesc
Total amounta b
 Previous year 3,142.57 1,870.65 2,819.92 - 3,465.22 <0.001 3,130.93 1,892.93 2,781.83 - 3,480.03 0.044 0.041
 Study year 2,121.91 1,130.73 1,876.43 - 2,367.39 2,694.57 1,438.86 2,383.38 - 3,005.77
Medication costs
 Previous year 845.35 354.32 684.59 - 1,006.11 <0.001 747.02 332.51 623.29 - 870.75 0.002 0.140
 Study year 524.16 260.34 434.45 - 613.87 567.31 259.74 467.64 - 666.97
Inpatient hospital treatment
 Previous year 1,249.26 557.17 1,081.62 - 1,416.89 0.084 1,373.94 574.81 1,139.87 - 1,608.02 0.438 0.255
 Study year 1,067.10 458.29 916.87 - 1,217.33 1,398.38 584.86 1,191.74 - 1,605.02
Rehabilitation
 Previous year 23.63 0.00 11.07 - 36.19 0.926 33.67 0.00 11.37 - 55.96 0.869 0.549
 Study year 24.55 0.00 9.95 - 39.15 45.40 0.00 26.01 - 64.79
Sickness benefit
 Previous year 1,024.33 252.10 845.39 - 1,203.26 <0.001 976.30 222.86 808.39 - 1,144.19 0.012 0.162
 Study year 506.10 14.37 380.18 - 632.02 683.48 69.93 529.62 - 837.33
  1. aexclusive outpatient costs
  2. bFees for the intervention were not included in the analysis, because they are negotiated individually with clients such as health insurance companies. The costs of a single licence for private persons amount to €297.50. Providing framework contracts with health insurance companies, the program-fees from payer perspective can be assumed to be lower than those for individuals
  3. crefers to the estimated mean difference between both time-periods
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