Table 1

Comparison of papillary thyroid carcinomas with parathyroid involvement and those without parathyroid involvement

Parathyroid involvement
Yes (n1 = 14)No
With histology (n2 = 164)p Value (n1 v n2)Total number (n3 = 341)p Value (n1 v n3)
*Nodal status was not examined in 43 cases, and their stages were unavailable for evaluation; †including lobectomy, lobectomy with ischmectomy, ischmectomy, and enuclation; ‡total thyroidectomy, near total thyroidectomy, or subtotal thyroidectomy.
Age (mean)60.449.80.003049.10.0017
Sex
    Female101540.00273240.0002
    Male41017
Tumour size (cm)2.52.00.16611.90.2713
Multiplicity
    Single81230.14572440.2442
    Multiple64197
Extrathyroid invasion
    No1750.00511780.0010
    Yes1389163
Nodal metastasis*
    No1450.0819840.0839
    Yes13112214
Lung metastasis
    No121630.00013370.0002
    Yes214
Stage*
    I/II2870.00321670.0022
    III/IV1270131
Recurrence
    No121540.24093190.2525
    Yes21022
Surgery
    Lobectomy†3690.13091470.1075
    Thyroidectomy‡1195194