Table 1.

Patient demographic characteristics.

Variable	BC + PW	Isolated PW	P value
Age(years)	46.95 ± 10.98	42.45 ± 9.58	0.175
Gender
Male	17	16	1.000
Female	3	4
Affected side
Left	8	10	0.525
Right	12	10
Mechanism of injury
Fall	16	10	0.121
Vehicle accidents	4	8
Others	0	2