Parathyroidectomy Is Associated with Reduced Mortality in Hemodialysis Patients with Secondary Hyperparathyroidism

Table 1

Comparison of baseline characteristics of survivors and nonsurvivors from 221 hemodialysis patients with iPTH over 800 pg/mL.

			Survival status		value
			Survival	Death
			( = 188)	( = 33)
Basic characteristics
Age (year)	<65	n	131	14
		%	69.7%	42.4%
	≥65	n	57	19
		%	30.3%	57.6%
	Mean		57.5 ± 12.9	67.6 ± 11.0	<0.
Sex	Female	n	113	16
		%	60.1%	48.5%
	Male	n	75	17
		%	39.9%	51.5%
Hypertension	No	n	68	15
		%	36.2%	45.5%
	Yes	n	120	18
		%	63.8%	54.5%
Diabetes mellitus	No	n	114	9	<0.
		%	60.6%	27.3%
	Yes	n	74	24
		%	39.4%	72.7%
Duration of dialysis (month)	Mean		97.6 ± 54.4	84.9 ± 56.0
	Mean		1.38 ± 0.24	1.40 ± 0.20
Biochemical parameters
Hemoglobin (g/dL)	<10	n	82	16
		%	43.6%	48.5%
	≥10	n	106	17
		%	56.4%	51.5%
	Mean		10.2 ± 1.4	10.3 ± 1.7
Albumin (g/dL)	<3.5	n	6	3
		%	3.2%	9.1%
	≥3.5	n	182	30
		%	96.8%	90.9%
	Mean		4.12 ± 0.30	3.94 ± 0.36
Hyperuricemia (mg/dL)	<7.2	n	18	8
		%	9.6%	24.2%
	≥7.2	n	170	25
		%	90.4%	75.8%
	Mean		8.19 ± 1.60	7.53 ± 2.05
Phosphate (mg/dL)	<5.5	n	55	10
		%	29.3%	30.3%
	≥5.5	n	133	23
		%	70.7%	69.7%
	Mean		6.48 ± 1.62	5.78 ± 1.45
Ca × P ([mg/dL]^2)	≥55	n	120	20
		%	63.8%	60.6%
	<55	n	68	13
		%	36.2%	39.4%
	Mean		62.28 ± 16.64	54.50 ± 14.03
Cholesterol (mg/dL)	<200	n	120	22
		%	63.8%	66.7%
	≥200	n	68	11
		%	36.2%	33.3%
	Mean		188.9 ± 46.2	178.3 ± 32.0
Triglyceride (mg/dL)	<150	n	96	20
		%	51.1%	60.6%
	≥150	n	92	13
		%	48.9%	39.4%
	Mean		189.8 ± 190.4	152.0 ± 91.5
iPTH (pg/mL)	<2000	n	181	31
		%	96.3%	93.9%
	≥2000	n	7	2
		%	3.7%	6.1%
	Mean		1133.8 ± 391.6	1158.4 ± 372.8
CCI	<5	n	108	9
		%	57.4%	27.3%
	≥5	n	80	24
		%	42.6%	72.7%
	Mean		4.37 ± 1.88	5.52 ± 2.06
Intervention
Parathyroidectomy	No	n	132	29
		%	70.2%	87.9%
	Yes	n	56	4
		%	29.8%	12.1%

CCI: Charlson comorbidity index.
Chi-square test.
test.