Journal of Patient-Reported Outcomes

Table 3 Principal component analysis. Items and factor loadings of the all items in the new Dutch BCTOS-13

From: Development and psychometric evaluation of a Dutch-translated shorter Breast Cancer Treatment Outcome Scale (Dutch BCTOS-13)

Item	Subscale
Item	Cosmesis	Function
1 Breast texture (hardening)	0.78	0.27
2 Nipple appearance	0.63	0.10
3 Breast elevation/position	0.63	0.31
4 Scar tissue	0.70	−0.05
5 Breast swelling	0.58	0.41
6 Fit of bra	0.78	0.18
7 Breast sensitivity	0.77	0.11
8 Overall skin appearance	0.79	0.20
9 Breast tenderness	0.61	0.30
10 Arm heaviness	0.22	0.90
11 Shoulder discomfort	0.14	0.81
12 Arm discomfort	0.24	0.88
13 Arm swelling	0.12	0.85

Displayed are factor loadings after varimax rotation. Underlining of the factor loading indicates to which subscale it was assigned

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