TABLE 1:

Comparison between groups

Parameter	1-cc Syringes	Injection Device*	P value
Volume of cement (cc)	2.3	2.1	0.34
Lateral fluoroscopy time, cement injection (min)	4.2	7.5	0.00002
Anteroposterior fluoroscopy time, cement injection (min)	0.5	0.6	0.23
Lateral fluoroscopy time, needle placement (min)	1.8	1.8	0.50
Anteroposterior fluoroscopy time, needle placement (min)	2.2	2.0	0.28
Weight (pounds)	150	145	0.38
Lateral width (in)	31.4	31.5	0.48
Anteroposterior width (in)	21.8	21.5	0.42
Height (in)	64.0	63.8	0.45
mA (lateral tube, cement injection)	10.1	11.0	0.20

^*Ezflow CDS injector device, Parallax Medical, Scotts Valley CA