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Table 1 Epidemiology and cost inputs

From: The cost of illness attributable to diabetic foot and cost-effectiveness of secondary prevention in Peru

Parameter

Value

Lower estimate

Upper estimate

Reference

Epidemiology

a. Total population with Type 2 diabetes mellitus

942,000

[11]

b. % diabetics at high risk for ulcer

21.90 %

[12, 13]

c. Prevalence of ulcer in those at high-risk

22.18 %

15.53 %

28.84 %

[9, 14, 15] Own assumption: values for lower and upper estimate +/−30 %

c1. Effectiveness (reduced prevalence) with standard care

45.00 %

30.00 %

60.00 %

[9, 14, 15] Own assumption: assumed values for lower and upper estimate.

c2. Effectiveness (reduced prevalence) with standard care plus temperature monitoring

78.81 %

65.00 %

85.00 %

[9, 14, 15] Own assumption: assumed values for lower and upper estimate.

d. % with ulcer receiving hospital care

30.00 %

21.00 %

39.00 %

[16] Own assumption: values for lower and upper estimate +/−30 %

e. % with ulcer receiving outpatient wound management

70.00 %

61.00 %

79.00 %

[16] Own assumption: values for lower and upper estimate.

f. % at hospital with amputation and heal

47.75 %

33.43 %

62.08 %

[16] Own assumption: values for lower and upper estimate +/−30 %

f1. % with major amputation

55.80 %

[16]

f2. % with minor amputation

44.20 %

[16]

g. % at hospital with debridement and heal

39.45 %

25.12 %

53.77 %

[16] Own assumption: values for lower and upper estimate +/−30 %

h. % at hospital that die of diabetic foot after an amputation

12.80 %

[16]

Direct costs (in 2012 US dollars)

Prevention

Sub-optimal care

65

45

84

[17, 18] Other local prices. Own assumption: values for lower and upper estimate +/−30 %

Standard care

185

129

240

[17, 18] Other local prices. Own assumption: values for lower and upper estimate +/−30 %

Standard care plus temperature monitoring

406

285

528

[17, 18] Other local prices. Own assumption: values for lower and upper estimate +/−30 %

Treatment

Wound management without hospitalization

79

[17, 18] Other local prices.

Debridement

1,022

[17, 18] Other local prices.

Minor amputation

5,153

[17, 18] Other local prices.

Major amputation

7,360

5,152

9,568

[17, 18] Other local prices. Own assumption: values for lower and upper estimate +/−30 %

Indirect costs (in 2012 US dollars)

Productivity loss from premature death

6,719

Peru's basic salary in year 2012; 3 %  discount rate.