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. 2019 Feb 15;15(2):111–118. doi: 10.5152/ejbh.2019.4385

Table 3.

Correlations between caregiver burden, age, DASH, grip strength, lymphedema stage and duration, edema, arm symptoms and quality of life

BI Age DASH Grip affected side Grip unaffected side Lymphedema stage Lymphedema duration Edema VAS pain VAS tension VAS heaviness EORTC QLQ-30 FS EORTC QLQ-30 SS EORTC QLQ-30 GHS EORTC QLQ BRE-23 FS EORTC QLQ BRE-23 SS
BI r 1 0.002 0.535** −0.440** −0.284* 0.228 −0.277* 0.271 0.360** 0.180 0.238 −0.622** 0.592** −0.266 −0.200 0.231
p 0.991 0.000 0.001 0.043 0.105 0.049 0.052 0.010 0.203 0.089 0.000 0.000 0.057 0.209 0.174
Age(years) r 0.002 1 −0.027 0.057 −0.064 0.348* −0.081 0.124 −0.319* −0.252 −0.018 −0.053 −0.003 −0.052 0.399** 0.211
p 0.991 0.851 0.693 0.654 0.011 0.572 0.380 0.023 0.071 0.896 0.717 0.985 0.716 0.010 0.217
DASH r 0.535** −0.027 1 −0.508** −0.321* 0.371** −0.161 0.291* 0.356* 0.321* 0.442** −0.627** 0.531** −0.435** −0.275 0.119
p 0.000 0.851 0.000 0.022 0.007 0.265 0.038 0.011 0.022 0.001 0.000 0.000 0.001 0.086 0.495
Grip affected side(kgf) r −0.440** 0.057 −0.508** 1 0.632** −0.051 0.067 −0.057 −0.487** −0.195 −0.109 0.301* −0.313* 0.077 0.188 −0.126
p 0.001 0.693 0.000 0.000 0.724 0.646 0.693 0.000 0.170 0.446 0.037 0.025 0.589 0.244 0.471
Grip unaffected side(kgf) r −0.284* −0.064 −0.321* 0.632** 1 −0.001 0.050 −0.014 −0.246 0.030 0.012 0.368* −0.259 −0.087 0.351* −0.278
p 0.043 0.654 0.022 0.000 0.992 0.732 0.923 0.085 0.833 0.932 0.010 0.066 0.546 0.026 0.106
Lymphedema stage r 0.228 0.348* 0.371** −0.051 −0.001 1 −0.214 0.632** 0.031 0.285* 0.375** −0.363* 0.206 −0.254 0.092 0.180
p 0.105 0.011 0.007 0.724 0.992 0.132 0.000 0.829 0.041 0.006 0.010 0.143 0.069 0.569 0.294
Lymphedema duration r −0.277* −0.081 −0.161 0.067 0.050 −0.214 1 0.031 −0.016 −0.053 −0.054 0.182 −0.214 0.253 −0.033 0.051
p 0.049 0.572 0.265 0.646 0.732 0.132 0.831 0.913 0.710 0.708 0.217 0.132 0.073 0.838 0.772
Edema r 0.271 0.124 0.291* −0.057 −0.014 0.632** 0.031 1 0.060 0.306* 0.368** −0.149 0.033 −0.126 0.096 0.007
p 0.052 0.380 0.038 0.693 0.923 0.000 0.831 0.678 0.027 0.007 0.306 0.814 0.374 0.550 0.969
VAS pain r 0.360** −0.319* 0.356* −0.487** −0.246 0.031 −0.016 0.060 1 0.496** 0.366** −0.125 0.315* −0.148 0.002 0.040
p 0.010 0.023 0.011 0.000 0.085 0.829 0.913 0.678 0.000 0.008 0.398 0.024 0.299 0.989 0.817
VAS tension r 0.180 −0.252 0.321* −0.195 0.030 0.285* −0.053 0.306* 0.496** 1 0.644** −0.308* 0.260 −0.190 −0.023 0.126
p 0.203 0.071 0.022 0.170 0.833 0.041 0.710 0.027 0.000 0.000 0.032 0.062 0.177 0.887 0.465
VAS heaviness r 0.238 −0.018 0.442** −0.109 0.012 0.375** −0.054 0.368** 0.366** 0.644** 1 −0.343* 0.350* −0.374** −0.038 0.230
p 0.089 0.896 0.001 0.446 0.932 0.006 0.708 0.007 0.008 0.000 0.016 0.011 0.006 0.815 0.177
EORTC QLQ-30 FS r −0.622** −0.053 −0.627** 0.301* 0.368* −0.363* 0.182 −0.149 −0.125 −0.308* −0.343* 1 −0.769** 0.140 0.558** −0.336
p 0.000 0.717 0.000 0.037 0.010 0.010 0.217 0.306 0.398 0.032 0.016 0.000 0.336 0.000 0.052
EORTC QLQ-30 SS r 0.592** −0.003 0.531** −0.313* −0.259 0.206 −0.214 0.033 0.315* 0.260 0.350* −0.769** 1 −0.285* −0.449** 0.387*
p 0.000 0.985 0.000 0.025 0.066 0.143 0.132 0.814 0.024 0.062 0.011 0.000 0.041 0.003 0.020
EORTC QLQ-30 GHS r −0.266 −0.052 −0.435** 0.077 −0.087 −0.254 0.253 −0.126 −0.148 −0.190 −0.374** 0.140 −0.285* 1 0.115 −0.093
p 0.057 0.716 0.001 0.589 0.546 0.069 0.073 0.374 0.299 0.177 0.006 0.336 0.041 0.474 0.589
EORTC QLQ BRE-23 FS r −0.200 0.399** −0.275 0.188 0.351* 0.092 −0.033 0.096 0.002 −0.023 −0.038 0.558** −0.449** 0.115 1 −0.314
p 0.209 0.010 0.086 0.244 0.026 0.569 0.838 0.550 0.989 0.887 0.815 0.000 0.003 0.474 0.104
EORTC QLQ BRE-23 SS r 0.231 0.211 0.119 −0.126 −0.278 0.180 0.051 0.007 0.040 0.126 0.230 −0.336 0.387* −0.093 −0.314 1
p 0.174 0.217 0.495 0.471 0.106 0.294 0.772 0.969 0.817 0.465 0.177 0.052 0.020 0.589 0.104

BI: burden interview; VAS: visual analogue scale; DASH: disabilities of the arm, shoulder and hand; EORTC QLQ: European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire; FS: function score; SS: symptom score; GHS: general health score; BRE-23: Breast cancer module