Observational Study
Copyright ©The Author(s) 2022.
World J Clin Cases. May 16, 2022; 10(14): 4470-4479
Published online May 16, 2022. doi: 10.12998/wjcc.v10.i14.4470
Table 6 Postoperative poor internal fixation by study group, n (%)
Group
Cases
Loose
Cracked
Total
Study581 (1.72)0 (0.00)1 (1.72)
Control283 (10.71)2 (7.14)5 (17.86)
χ2 value5.291
P value0.021