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Table 4 Rotated component matrix of the 1-year changes in 15D dimension values and instrument scores

From: Patient-reported outcomes in coronary artery disease: the relationship between the standard, disease-specific set by the International Consortium for Health Outcomes Measurement (ICHOM) and the generic health-related quality of life instrument 15D

One-year change in item

Factor (% of variance explained)

1 (20.6%)

2 (7.5%)

3 (7.5%)

4 (6.2%)

5 (5.8%)

6 (5.5%)

7 (5.2%)

SAQ-PL

0.65

 − 0.03

 − 0.10

0.18

0.21

0.07

0.04

SAQ-AF

0.33

0.40

 − 0.11

0.25

0.57

 − 0.18

0.09

SAQ-QL

0.55

0.44

 − 0.12

0.11

0.35

 − 0.23

0.09

RDS

0.64

 − 0.17

 − 0.22

0.25

 − 0.11

0.04

0.17

PHQ-2

 − 0.19

 − 0.65

0.05

 − 0.16

0.04

0.10

 − 0.02

15D mobility

0.52

0.00

 − 0.20

 − 0.17

0.07

 − 0.10

0.24

15D vision

0.09

0.05

0.01

0.11

 − 0.08

0.80

0.05

15D hearing

0.05

 − 0.16

0.23

 − 0.02

0.74

0.03

0.03

15D breathing

0.56

0.14

0.24

 − 0.17

0.16

0.19

0.12

15D sleeping

0.26

 − 0.05

0.36

0.33

 − 0.35

 − 0.42

0.14

15D eating

0.06

 − 0.02

 − 0.05

 − 0.10

0.10

0.13

0.85

15D speech

0.02

 − 0.06

0.57

0.01

0.10

0.44

0.15

15D excretion

 − 0.03

0.08

0.03

0.75

0.07

0.10

 − 0.02

15D usual activities

0.62

0.13

 − 0.05

0.44

0.01

0.01

 − 0.09

15D mental functions

 − 0.02

0.10

0.78

0.02

0.09

 − 0.11

 − 0.08

15D discomfort and symptoms

0.15

0.25

0.17

0.35

 − 0.14

 − 0.19

0.49

15D depression

0.11

0.66

0.22

0.07

 − 0.03

0.25

 − 0.08

15D distress

0.10

0.75

0.01

 − 0.08

 − 0.02

 − 0.07

0.09

15D vitality

0.60

0.21

0.12

0.19

 − 0.11

 − 0.08

0.12

15D sexual activity

0.60

0.20

 − 0.01

0.04

 − 0.25

0.11

0.03

  1. The highest loadings are bolded
  2. PHQ-2, two-item Patient Health Questionnaire; RDS, Rose Dyspnea Scale; SAQ-AF, Seattle Angina Questionnaire Angina Frequency; SAQ-PL, Seattle Angina Questionnaire Physical Limitation; SAQ-QL, Seattle Angina Questionnaire Quality of Life; SAQ-7, Seattle Angina Questionnaire short-form; 15D, 15-dimensional instrument