Results of two-sided t-test results for the variables examined at the three time points relative to parathyroidectomy (preop, 1-month, and 1-year). .

Table 2: Results of two-sided t-test results for the variables examined at the three time points relative to parathyroidectomy (preop, 1-month, and 1-year).

Two-Sided t-test Results
	PTH	Calcium	Phosphorus	Ca:PO₄	Chloride
PreOp vs. 1 Month	P = .000	P = .000	P = .000	P = .000	P = .305^*
PreOp vs. 1 Year	P = .000	P = .000	P = .000	P = .000	P = .000
1 Month vs. 1 Year	P = .170^*	P = .315^*	P = .015	P = .022	P = .016

*= denotes no significant difference in the groups examined, p > .05.