Impact of Different Levels of iPTH on All-Cause Mortality in Dialysis Patients with Secondary Hyperparathyroidism after Parathyroidectomy

Table 1

Patients characteristics by baseline iPTH category .

Characteristics	iPTH ≤ 20 pg/mL	iPTH 20–150 pg/mL	iPTH 151–600 pg/mL	iPTH > 600 pg/mL	Total
Gender (male)	112 (54.6%)	58 (51.2%)	24 (43.6%)	21 (67.7%)	215 (53.2%)
Age (year)
Dialysis vintage (month)
Primary cause of ESRD
Chronic glomerulonephritis	95 (46.3%)	61 (54%)	27 (49.1%)	20 (64.5%)	203 (50.2%)
Diabetic nephropathy	1 (0.5%)	1 (0.9%)	0 (0%)	1 (3.2%)	3 (0.7%)
Hypertensive nephropathy	21 (10.2%)	2 (1.8%)	1 (1.8%)	1 (3.2%)	25 (6.2%)
Polycystic kidney	13 (6.3%)	4 (3.5%)	1 (1.8%)	2 (6.5%)	20 (5%)
Other	25 (12.2%)	14 (12.4%)	6 (10.9%)	3 (9.7%)	48 (11.9%)
Unknown	50 (24.5%)	31 (27.4%)	20 (36.4%)	4 (12.9%)	105 (26%)
Serum (mmol/L)
Serum P (mmol/L)
Serum ALP (IU/L)
Serum iPTH (pg/mL)
Death (, %)	17 (8.29%)	4 (3.54%)	6 (10.91%)	9 (29.3%)	36 (8.91%)

Mean ± standard deviation is described if the variable is normally distributed.