Comparison of Breast Cancer-Related Lymphedema (Upper Limb Swelling) Prevalence Estimated Using Objective and Subjective Criteria and Relationship with Quality of Life

Table 3

Differences in quality of life in those with and without lymphedema according to each measurement tool.

FACT B+4^a subscales	No lymphedema: median	Lymphedema: median	Inferential analysis of difference:
			the Mann-Whitney 𝑈 test
			𝑍 value	𝑝 value
Analysis using Perometry data
TOI^b (𝑛 = 357)	94	92	−0.829	0.407
PWB^c (𝑁 = 359)	26	26	−0.623	0.533
SWB^d (𝑁 = 356)	26	26	−0.329	0.742
EWB^e (𝑁 = 357)	21	21	−0.536	0.592
FWB^f(𝑁 = 359)	25	25	−0.151	0.880
BCC^g (𝑁 = 357)	43	42	−1.64	0.100
AS^h (𝑁 = 357)	20	18	−2.96	𝟎.𝟎𝟎𝟑^∗
Analysis using LBCQ^i data
TOI^b (𝑛 = 376)	95	84	−6.746	< 𝟎.𝟎𝟎𝟓^∗
PWB^c (𝑁 = 378)	27	24	−6.158	< 𝟎.𝟎𝟎𝟓^∗
SWB^d (𝑁 = 376)	27	24.5	−3.426	𝟎.𝟎𝟎𝟏^∗
EWB^e (𝑁 = 376)	21	20	−2.845	𝟎.𝟎𝟎𝟒^∗
FWB^f (𝑁 = 378)	25	22.5	−4.370	< 𝟎.𝟎𝟎𝟓^∗
BCC^g (𝑁 = 376)	44	36	−7.449	< 𝟎.𝟎𝟎𝟓^∗
AS^h (𝑁 = 376)	20	15	−9.774	< 𝟎.𝟎𝟎𝟓^∗
Analysis using MST^j data
TOI^b (𝑛 = 453)	94	84.5	−6.445	< 𝟎.𝟎𝟎𝟓^∗
PWB^c (𝑁 = 459)	26	24	−5.004	< 𝟎.𝟎𝟎𝟓^∗
SWB^d (𝑁 = 454)	26	26	−1.234	0.217
EWB^e (𝑁 = 456)	21	20	−1.510	0.131
FWB^f (𝑁 = 459)	25	22.5	−3.382	𝟎.𝟎𝟎𝟏^∗
BCC^g (𝑁 = 453)	44	37	−7.698	< 𝟎.𝟎𝟎𝟓^∗
AS^h (𝑁 = 453)	20	15	−10.279	< 𝟎.𝟎𝟎𝟓^∗

^aFACT B+4: Functional Assessment of Cancer Therapy-Breast Cancer subscale.
^bTOI: Trial Outcome Index.
^cPWB: physical well-being.
^dSWB: social well-being.
^eEWB: emotional well-being.
^fFWB: functional well-being.
^gBCC: breast cancer specific concerns.
^hAS: arm-specific subscale.
ⁱMST: Morbidity Screening Tool.
^jLBCQ: Lymphedema and Breast Cancer Questionnaire.
^∗𝑝 value is statistically significant.