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Table 4 Correlation between SF-36 and CAT or HADS before surgery

From: Changes in exercise capacity, muscle strength, and health-related quality of life in esophageal cancer patients undergoing esophagectomy

SF-36 component   CAT HADS anxiety HADS depression
Physical functioning r −0.384 −0.339 −0.500
P value 0.040 0.072 0.006
Role physical r −0.323 −0.745 −0.557
P value 0.088 <0.001 0.002
Bodily pain r −0.167 −0.368 −0.252
P value 0.385 0.049 0.187
General health r −0.432 −0.543 −0.321
P value 0.019 0.002 0.090
Social functioning r −0.658 −0.464 −0.403
P value <0.001 0.011 0.030
Vitality r −0.503 −0.448 −0.554
P value 0.005 0.015 0.002
Role emotional r −0.381 −0.593 −0.470
P value 0.041 0.001 0.010
Mental health (n = 28) r −0.510 −0.379 −0.563
P value 0.006 0.047 0.002
PCS (n = 26) r −0.245 −0.364 −0.266
P value 0.228 0.067 0.188
MCS (n = 26) r −0.584 −0.361 −0.317
P value 0.002 0.070 0.115
RCS (n = 26) r −0.433 −0.653 −0.648
P value 0.027 <0.001 <0.001
  1. Spearman’s rank correlation coefficient was used for the analysis. N = 29, otherwise indicated. HADS the Hospital Anxiety and Depression Scale