3.2 | Basic characteristics of the included
literature and quality evaluation results
Six randomized controlled trials were included14-19 Of
these, three were in patients with breast cancer
chemotherapy16, 18, 19, one in patients with breast
cancer radiotherapy15, and one in patients with
metastatic breast cancer17. Of these, all studies had
comparable baseline information, three reported methods of allocation
concealment, and five described sample attrition. The results of this
literature quality assessment showed that 115 quality
grade of A and the remaining 514, 16-19quality grade
of B. The overall quality of the literature was moderate. The basic
characteristics of the included literature are shown in Table 1, and the
evaluation of literature quality is shown in Figure 2.
Table 1 Characteristics of the included studies (n=6)