Table 1.

Demographics and baseline characteristics between Polymethylmethacrylate group and autogenous bone group

	Polymethylmethacrylate	Autogenous bone	P
Age(years)1	63.14 ± 8.98	58.96 ± 6.64	0.147
BMD(T value)2	2.98 ± 0.36	3.08 ± 0.34	0.938
Gender (n,%)2
Female	13(92.9%)	12(70.6%)	0.103
Male	1(7.1%)	5(29.4%)
Smoke (n,%)2
Yes	11(78.6)	16(94.0%)	0.194
No	3(21.4%)	1(6.0%)

^P-values are based on ¹chi-square test and ² independent two samples t test