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Table 1 Variables included in the model

From: Social costs of icatibant self-administration vs. health professional-administration in the treatment of hereditary angioedema in Spain

 

Value

Variable

Average

Minimum

Maximum

Age (number of residents)

   

18-64 years

29,963,795

  

≥ 65 years

7,914,361

  

Work status (%)

   

Employed

59.88%

  

Unpaid household work

8.78%

  

Other

31.34%

  

HAE Prevalence per 100,000 persons

2.00

1.00

4.00

Number of episodes per year

6.00

3.00

9.00

Severity (%)

   

Mild

35.00%

  

Moderate

45.00%

  

Severe

20.00%

  

Episode duration with strategy 1 (hours)

   

Mild

15.00

13.00

18.00

Moderate

10.00

8.00

12.00

Severe

17.00

14.00

21.00

Reduction of episode duration with strategy 2 (%)

Mild

50.00%

  

Moderate

60.00%

  

Severe

70.00%

  

Episode duration with strategy 2 (hours)

   

Mild

7.50

6.50

9.00

Moderate

4.00

3.20

4.80

Severe

5.10

4.20

6.30

With strategy 1, a mild episode results in (%)

   

Hospital emergency room visit

2.00%

1.00%

3.00%

Primary care emergency room visit

3.00%

2.00%

4.00%

HAE specialist office visit

2.00%

1.00%

3.00%

No emergency visit

93.00%

96.00%

90.00%

With strategy 1, a moderate episode results in (%)

   

Hospital emergency room visit

70.00%

60.00%

80.00%

Primary care emergency room visit

5.00%

3.00%

7.00%

HAE specialist office visit

10.00%

7.00%

12.00%

No emergency visit

15.00%

30.00%

1.00%

With strategy 1, a severe episode results in (%)

   

Hospital emergency room visit

87.00%

85.00%

89.00%

Primary care emergency room visit

2.00%

1.00%

3.00%

HAE specialist office visit

9.00%

6.00%

8.00%

No emergency visit

2.00%

8.00%

0.00%

With strategy 2, a mild episode results in (%)

   

Hospital emergency room visit

0.00%

0.00%

0.00%

Primary care emergency room visit

0.00%

0.00%

0.00%

HAE specialist office visit

0.00%

0.00%

0.00%

No emergency visit

100.00%

100.00%

100.00%

With strategy 2, a moderate episode results in (%)

   

Hospital emergency room visit

10.00%

7.00%

12.00%

Primary care emergency room visit

1.00%

0.00%

2.00%

HAE specialist office visit

3.00%

1.00%

5.00%

No emergency visit

86.00%

92.00%

81.00%

With strategy 2, a severe episode results in (%)

   

Hospital emergency room visit

15.00%

12.00%

18.00%

Primary care emergency room visit

1.00%

0.00%

2.00%

HAE specialist office visit

4.00%

2.00%

6.00%

No emergency visit

80.00%

86.00%

74.00%

Length of stay in hospital emergency room (hours)

   

Mild

4.0

3.0

6.0

Moderate

7.0

5.0

9.0

Severe

16.0

12.0

20.0

Length of stay in primary care emergency room (hours)

   

Mild

2.0

1.0

3.0

Moderate

4.0

3.0

5.0

Severe

6.0

4.0

8.0

Length of stay at the HAE specialist (hours)

   

Mild

1.5

1.0

2.0

Moderate

2.0

1.0

3.0

Severe

5.0

4.0

6.0

Round trip distance to healthcare facility (Km)

   

To hospital

30.00

20.00

40.00

To primary care centre

4.00

2.00

6.00

Round trip travel time (minutes)

   

To hospital

45.00

30.00

60.00

To primary care centre

15.00

10.00

20.00

Timing of episodes among gainfully employed (%)

   

Work hours

21.92%

  

Non work hours

78.08%

  

Timing of episodes among unpaid homemakers (%)

   

Work hours

30.59%

  

Non work hours

69.41%

  

% episode duration during which unable to work

  

Mild

0.00%

0.0%

0.0%

Moderate

40.00%

30.0%

50.0%

Severe

80.00%

70.0%

90.0%

Probability (%) patient comes with a caretaker (by age group and episode severity)

18-64 years/mild

50.0%

40.0%

60.0%

18-64 years/moderate

60.0%

50.0%

70.0%

18-64 years/severe

95.0%

90.0%

100.0%

≥ 65 years/mild

70.0%

60.0%

80.0%

≥ 65 years/moderate

80.0%

70.0%

95.0%

≥ 65 years/severe

95.0%

90.0%

100.0%

% of episode duration patient requires caretaker (by age group and episode severity)

18-64 years/mild

0.0%

0.0%

0.0%

18-64 years/moderate

20.0%

15.0%

30.0%

18-64 years/severe

70.0%

60.0%

80.0%

≥ 65 years/mild

0.0%

0.0%

0.0%

≥ 65 years/moderate

40.0%

30.0%

50.0%

≥ 65 years/severe

80.0%

70.0%

90.0%

Icatibant syringes per episode

   

Mild

1.00

0.90

1.10

Moderate

1.10

1.00

1.20

Severe

1.10

1.00

1.30

With strategy 1, during a severe episode the probability (%) of:

Death

0.01%

0.005%

0.015%

Tracheotomy

0.20%

0.10%

0.30%

Hospital admission

0.40%

0.30%

0.50%

Length of admission for severe episode (days):

   

General ward

2.00

1.00

3.00

ICU

2.00

1.00

3.00

With strategy 2, during a severe episode the probability (%) of:

Death

0.0010%

0.0005%

0.0015%

Tracheotomy

0.0200%

0.0100%

0.0300%

Hospital admission

0.1000%

0.0500%

0.1500%

  1. Icatibant administration: Strategy 1= Health professional-administration only; Strategy 2= Self-administration also available.