Table 3.

Factors effecting disease-free survival

	Disease-free survival mean ± Standard error	95%CI	p
Gender
Female	15±6.1	3.04;26.92	0.296
Male	26.17±4.03	18.27;34.06
Stage
Stage I+II	18.5±6.83	5.11;31.89	0.710
Stage III	24.51±3.99	16.7;32.32
Hormonal activity
Yes	30.3±4.46	21.6;39.03	0.436
No	19.79±3.77	12.4;27.17
Surgery
Adrenalectomy	20.33±4.86	10.8;29.87	0.804
En bloc	24.07±4.77	14.73;33.41
Necrosis
Yes	24.16±4.52	15.3;33.02	0.813
No	19.72±5.61	8.73;30.71
Treatment
Yes	24.92±4.59	15.92;33.92	0.625
No	20±5.11	9.99;30.01