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Table 2: Volume of cement injected and distribution (osteoporotic vertebral compression fractures)
All Fractures (N = 660)
Amount of cement injected (cc)—all fractures 
    N 652
    Mean ± SD* 5.1 ± 2.2
    Range 1.0–16.0
Amount of cement injected by spinal group (cc) 
    T3–T8 
        N 151
        Mean ± SD 3.5 ± 1.2
        Range 1.0–8.0
    T9–T12 
        N 218
        Mean ± SD 5.0 ± 2.0
        Range 1.0–11.0
    L1–L5 
        N 283
        Mean ± SD 6.0 ± 2.3
        Range 1.0–16.0
Anterior cement fill (%) 
    N 649
    Mean ± SD 63.8 ± 23.1
    Range 0–100
Posterior cement fill (%) 
    N 649
    Mean ± SD 54.0 ± 23.9
    Range 0–100
Cement crossed midline 
    N 660
    Yes 555 (84%)
Any extravasation 
    N 660
    Yes 219 (33%)
Intravascular extravasation 
    N 660
    Yes 61 (9%)
Extravascular extravasation 
    N 660
    Yes 164 (25%)
Extravasation into disk 
    N 660
    Yes 111 (17%)

	All Fractures (N = 660)
Amount of cement injected (cc)—all fractures
N	652
Mean ± SD*	5.1 ± 2.2
Range	1.0–16.0
Amount of cement injected by spinal group (cc)
T3–T8
N	151
Mean ± SD	3.5 ± 1.2
Range	1.0–8.0
T9–T12
N	218
Mean ± SD	5.0 ± 2.0
Range	1.0–11.0
L1–L5
N	283
Mean ± SD	6.0 ± 2.3
Range	1.0–16.0
Anterior cement fill (%)
N	649
Mean ± SD	63.8 ± 23.1
Range	0–100
Posterior cement fill (%)
N	649
Mean ± SD	54.0 ± 23.9
Range	0–100
Cement crossed midline
N	660
Yes	555 (84%)
Any extravasation
N	660
Yes	219 (33%)
Intravascular extravasation
N	660
Yes	61 (9%)
Extravascular extravasation
N	660
Yes	164 (25%)
Extravasation into disk
N	660
Yes	111 (17%)