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Table 2 EQ-5D health utility scores at end-of-trial stratified by Seattle Angina Questionnaire Angina Frequency Classification based upon mapping equations 1 and 2

From: Impact of angina frequency on health utility values of patients with chronic stable angina

  

Mapping Equation 1#

Mapping Equation 2†

SAQAF domain score

N

Median EQ-5D score

25%, 75% range

P-Value*

Median EQ-5D score

25%, 75% range

P-Value*

Overall

548

0.75

0.69, 0.80

NA

0.68

0.62, 0.77

NA

No (100)

28

0.89

0.84, 0.92

Referent

0.87

0.77, 0.91

Referent

Monthly (61–99)

188

0.80

0.75, 0.85

<0.001

0.76

0.70, 0.81

<0.001

Weekly (31–60)

283

0.72

0.68, 0.76

<0.001

0.65

0.61, 0.70

<0.001

Daily (0–30)

49

0.65

0.61, 0.69

<0.001

0.54

0.52, 0.61

<0.001

  1. EQ-5D = EuroQol 5-Dimension; N = number of patients; SAQAF = Seattle Angina Questionnaire Angina frequency.
  2. *p < 0.001 for the overall association using a Kruskal-Wallis one-way analysis of variance test; p-values for angina frequency domain score comparisons to “no” angina (referent) using Mann–Whitney U test.
  3. #Mapping Equation 1 = Wijeysundera 2011 [15].
  4. †Mapping Equation 2 = Goldsmith 2010 [16].
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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