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Table 5 Variables showing a significant association with time elapsed since radiotherapy on multivariate analyses

From: Relationship between time elapsed since completion of radiotherapy and quality of life of patients with breast cancer

Variables Regression coefficients Standard error Standard regression coefficient t-value p-value
Social function
 Constant term 70.104 17.984    
 Age −0.161 0.208 −0.071 −0.770 0.443
 Level of education 2.500 2.162 0.114 1.156 0.250
 Surgical technique −5.585 2.373 −0.230 −2.353 0.020
 Surgical staging 1.787 3.047 0.057 0.586 0.559
 Number of chemotherapy cycles 1.804 0.945 0.175 1.908 0.059
 Time elapsed since completion of RT 5.787 1.915 0.276 3.022 0.003
Pain
 Constant term −0.578 29.509    
 Age 0.664 0.342 0.187 1.941 0.055
 Level of education 6.030 3.548 0.175 1.700 0.092
 Surgical technique −1.481 3.894 −0.038 −0.380 0.704
 Surgical staging 0.919 5.000 0.019 0.184 0.854
 Number of chemotherapy cycles −0.106 1.551 −0.006 − 0.068 0.946
 Time elapsed since completion of RT −8.118 3.143 −0.245 −2.583 0.011
Concerns about future state of health
 Constant term −0.280 25.906    
 Age 0.237 0.300 0.074 0.788 0.432
 Level of education 6.092 3.115 0.195 1.956 0.053
 Surgical technique −3.303 3.419 −0.095 −0.966 0.336
 Surgical staging 13.289 4.389 0.297 3.028 0.003
 Number of chemotherapy cycles −0.131 1.362 −0.009 − 0.096 0.923
 Time elapsed since completion of RT 6.974 2.759 0.233 2.528 0.013