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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Surgery. 2013 Aug 23;154(6):10.1016/j.surg.2013.06.019. doi: 10.1016/j.surg.2013.06.019

Table 3. Characteristics of index cases and non-index cases.

Non-index N = 15 Index case N = 14# p-value
Age at diagnosis [years] 35 ± 10.02 44 ± 12.12 0.057
Female 14/15 (93.3.5%) 12/14 (85.7%) 0.59
Tumor characteristics
Tumor size [mm] 13.8 ± 11.78 14.5 ± 11.32 0.47
Lymph node metastasis 5/15 (33.3%) 6/13 (46%) 0.7
Multifocality 9/15 (60%) 10/13 (76.9%) 0.43
Extrathyroidal invasion 0/15 (0%) 5/13 (38.5%) 0.011
Recurrence 0/14 (0%) 2/14 (14.3%) 0.48

Values are mean ±standard deviation or n (%).

#

One case with incomplete data as not evaluated at NIH.