Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Oct 6, 2021; 9(28): 8358-8365
Published online Oct 6, 2021. doi: 10.12998/wjcc.v9.i28.8358
Table 6 Comparison of prognosis within 6 mo between two groups, n (%)
Groups
Cases
Class Ⅴ
Class Ⅳ
Class Ⅲ
Class Ⅱ
Good prognosis rate
Control group599 (15.25)33 (55.93)12 (20.34)5 (8.47)42 (71.19)
Observation group5916 (27.12)35 (59.32)6 (10.17)2 (3.39)51 (86.44)
χ24.111
P value0.043