Novel Prognostic Factors Associated with Cell Cycle Control in Sporadic Medullary Thyroid Cancer Patients

Table 1

Clinical and histological features and follow-up in patients with sporadic MTC in relation to stages I-II and stages III-IV.

Tumor stage	Stages I-II ()	Stages III-IV ()
Age at diagnosis	55 (95% CI 49-62)	61 (95% CI 55-67)
Gender (F/M)	30/11	10/20
Tumor category (cancer staging)
T1 (27)	23	4
T2 (13)	9	4
T3 (27)	9	18
T4 (4)	0	4
Capsular infiltration	5	18
Lymph node metastasis
N- (43)	41	2
N+ (28)	0	28
Distant metastasis
M- (63)	41	22
M+ (8)	0	8
RET mutation
RET- (37)	22	15
RET+ (34)	19	15
Outcome
Free from disease (29)	27	2
Persistent disease (35)	7	28
Survival
Dead	0	4
Live	41	26

CI: confidence interval.