Skip to main content

Table 1 Item selection details

From: Development and validation of a preference based measure derived from the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) for use in cost utility analyses

Item %
affirmation
Corrected
item-total
correlation
Factor
loading
Rasch
location
Mean
change
7 32.2 .49 .54 0.84 0.07
12 65.9 .54 .60 -1.25 0.07
13 14.4 .30 .33 2.09 0.16
15 38.9 .64 .69 0.42 0.10
24 19.3 .46 .50 1.88 0.09
25 60.9 .64 .69 -1.00 0.00