Table 3 Univariate analysis of prognostic factors
Factors | No. of patients (event) | 5-y RFS | p value | No. of patients (event) | 5-y MFS | p value | No. of patients (event) | 5-y OS | p value |
|---|---|---|---|---|---|---|---|---|---|
Overall | 46 (9) | 46 (6) | 46 (2) | ||||||
Age | |||||||||
<45 y.o. | 20 (6) | .739 | .164 | 20 (2) | .900 | .605 | 20 (1) | .947 | .877 |
≥45 y.o. | 26 (3) | .869 | 26 (4) | .873 | 26 (1) | 1.000 | |||
Gender | |||||||||
Male | 28 (8) | .736 | .101 | 28 (4) | .888 | .898 | 28 (2) | .962 | .264 |
Female | 18 (1) | .933 | 18 (2) | .889 | 18 (0) | 1 | |||
Site | |||||||||
Extremity | 42 (6) | .839 | .001 | 42 (5) | .898 | .479 | 42 (1) | 1 | .045 |
Axial | 4 (3) | .500 | 4 (1) | .750 | 4 (1) | .750 | |||
Size | |||||||||
<10 cm | 21 (4) | .800 | .797 | 21 (2) | .950 | .437 | 21 (1) | 1.000 | .857 |
≥10 cm | 25 (5) | .821 | 25 (4) | .836 | 25 (1) | .950 | |||
Status | |||||||||
Primary | 38 (4) | .886 | <.001 | 38 (4) | .892 | .378 | 38 (1) | .970 | .268 |
Recurrent | 8 (5) | .429 | 8 (2) | .857 | 8 (1) | 1.000 | |||
Round cell | |||||||||
No | 38 (6) | .856 | .092 | 38 (4) | .921 | .216 | 38 (2) | .970 | .551 |
Yes | 8 (3) | .571 | 8 (2) | .686 | 8 (0) | 1 | |||
Surgical margin | |||||||||
Negative | 39 (4) | .884 | <.001 | 39 (4) | .922 | .248 | 39 (1) | 1 | .216 |
Positive | 7 (5) | .429 | 7 (2) | .714 | 7 (1) | .857 | |||
Chemotherapy | |||||||||
No | 32 (8) | .758 | .173 | 32 (5) | .867 | .485 | 32 (2) | .964 | .359 |
Yes | 14 (1) | .917 | 14 (1) | .929 | 14 (0) | 1 | |||
Radiotherapy | |||||||||
No | 41 (8) | .811 | .846 | 41 (6) | .870 | .361 | 41 (2) | .971 | .629 |
Yes | 5 (1) | .800 | 5 (0) | 1 | 5 (0) | 1 | |||
PPARγ | |||||||||
low (LI < 50 %) | 34 (6) | .845 | .327 | 34 (2) | .941 | .010 | 34 (1) | .968 | .383 |
high (LI ≥ 50 %) | 12 (3) | .675 | 12 (4) | .707 | 12 (1) | 1 | |||