Table 1. Patient demographics and operative characteristics.

Variable	Study, n [%]	Control, n [%]	P
Age, years			NS
≤55	8 [57]	7 [50]
>55	6 [43]	7 [50]
Sex			NS
Male	5 [36]	6 [43]
Female	9 [64]	8 [57]
Race			NS
Caucasian	9 [64]	7 [50]
African American	4 [29]	6 [43]
Other	1 [7]	1 [7]
Tumor size, cm			NS
≤6	10 [71]	10 [71]
>6	4 [29]	4 [29]
Mean	5.5	4.72

NS, no significant.