TABLE 4. Univariate analysis of local recurrence.

Factor	All patients			Patients with primary disease
	n	Mean LRFS, months	P	n	Mean LRFS, months	P
Age			0.984			0.223
≤56 years	14	48.7		11	37.2
>56 years	14	50.5		9	NA
Sex			0.121			0.062
Female	15	55.4		12	NA
Male	13	41.2		8	34.2
Presentation			0.025			NA
Primary disease	20	54.2		NA	NA
Recurrent disease	8	30.6		NA	NA
Site			0.036			0.038
Retroperitoneum	20	53.4		14	NA
Pelvis	8	21		6	22.1
Tumor size			0.8297			0.967
<10 cm	14	47.6		10	54.2
≥10 cm	14	37.5		10	39.8
Grade			0.422			0.552
I, low	5	NA		3	NA
II, intermediate, or III, high	21	35.2		16	39.2
Histology			0.761			0.281
Liposarcoma	14	49.1		11	NA
Nonliposarcoma	14	48.6		9	51.3
Number of adjacent organs resected			0.127			0.758
0–1	15	40.8		9	51.1
>1	13	40.7		11	40.2
Margin			0.633			0.83
Microscopically negative	13	49.6		11	54.7
Microscopically or grossly positive	15	47		9	39.2
Timing of radiation			0.506			0.435
Preop or preop and postop	22	51.4		15	41
Only postop	6	42.7		5	49.1
Total dose of radiation			0.563			0.962
<64 Gy	14	45.7		10	54.2
≥64 Gy	14	48.1		10	40.2
Adjuvant chemotherapy			0.287			0.58
No	23	45.6		16	52.6
Yes	3	NA		2	NA

LRFS local recurrence-free surviva, preop preoperative, postop postoperative, NA not applicable