Surgical Disparities of Parathyroid Carcinoma: Long-Term Outcomes and Deep Excavation Based on a Large Database

Table 4

Cancer-specific mortality and all-cause mortality of parathyroid cancer stratified by different covariates.

Covariate	Level	Number	%	1,000 person-years	95% CI
		Cancer-specific mortality		Cancer-specific mortality
Year of diagnosis	1973–2004	39	12.90	8.961	6.371–12.605
	2004–2015	18	6.20	6.442	3.221–12.881
Extent of resection	No definitive treatment	22	55.00	45.504	21.693–95.449
	Parathyroidectomy	18	4.70	6.670	4.146–10.729
	En bloc radical resection	2	5.30	7.648	1.913–30.581
	Debulking	1	20.00	52.863	7.447–375.281
		All-cause mortality		All-cause mortality
Race	White	157	35.00	36.602	31.015–43.196
	Black	39	40.60	55.869	40.652–76.781
	Other	12	26.10	28.974	16.455–51.018
Extent of diseases	Local disease	30	14.40	26.927	18.712–38.748
	Regional disease	16	17.80	36.893	22.241–61.196
	Metastatic disease	4	57.10	179.775	67.473–478.995
Extent of resection	No definitive treatment	29	72.50	78.007	44.301–137.357
	Parathyroidectomy	89	23.20	34.524	28.015–42.547
	En bloc radical resection	10	26.30	38.241	20.576–71.073
	Debulking	2	40.00	105.727	26.442–422.742