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Hematology

Estimation of the utilities of attributes of intravenous iron infusion treatment for patients with iron-deficiency anemia: a conjoint analysis in Japan

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Pages 84-94 | Received 31 Aug 2022, Accepted 12 Dec 2022, Published online: 28 Dec 2022

Figures & data

Table 1. Attributes and attribute levels for the conjoint analysis in the survey.

Figure 1. Example of choice task questions for the conjoint analysis in the survey. Each respondent was presented with two different cards with illustrations and asked to select the preferable card. Twenty sets of conjoint cards were presented to each respondent.

Figure 1. Example of choice task questions for the conjoint analysis in the survey. Each respondent was presented with two different cards with illustrations and asked to select the preferable card. Twenty sets of conjoint cards were presented to each respondent.

Table 2. Number of respondents by gender and age group for men (A) and women (B).

Table 3. Degree of pain (A), experiences of hypophosphatemia (B), and skin discoloration by the drug solution (C) due to intravenous iron infusion treatment.

Figure 2. Utility of each level for each attribute for main respondents (Group 1).

Figure 2. Utility of each level for each attribute for main respondents (Group 1).

Table 4. Utility of each level for each attribute for patients with iron-deficiency anemia undergoing intravenous iron treatment (Group 2; A) and those not receiving intravenous iron treatment (Group 3; B).

Table 5. Estimation of utilities and intangible costs for one intravenous iron treatment episode assuming commercially available intravenous iron treatments (A) and when changing the number of required infusions and the incidence of hypophosphatemia of drug B (B).

Supplemental material

Supplemental Material

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