Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Jul 26, 2021; 9(21): 5840-5849
Published online Jul 26, 2021. doi: 10.12998/wjcc.v9.i21.5840
Table 1 Comparison of expectoration effect between two groups of patients, n (%)
Group
n
Obviously effective
Effective
Ineffective
Refined care6138 (62.3)19 (31.15)4 (6.56)
Control5926 (44.07)25 (42.37)8 (13.56)
Z-2.080
P value0.038