Journal of the Korean Association of Oral and Maxillofacial Surgeons : eISSN 2234-5930 / pISSN 2234-7550

Table. 3.

Table. 3.

Screw loosening by sex and age

Screw loosening χ2 P-value

No Yes
Sex Male 397 (88.6) 51 (11.4) 2.747 0.097
Female 358 (92.0) 31 (8.0)
Age (yr) ≤39 94 (90.4) 10 (9.6) 1.884 0.757
40-49 119 (90.2) 13 (9.8)
50-59 289 (90.6) 30 (9.4)
60-69 170 (91.4) 16 (8.6)
≥70 83 (86.5) 13 (13.5)

Values are presented as number of patients (%).

J Korean Assoc Oral Maxillofac Surg 2020;46:133~142
https://doi.org/10.5125/jkaoms.2020.46.2.133
© JKAOMS