Table 2

Comparisons of the baseline biochemical indexes

IndexUSPD
(n=309)
USHD
(n=233)
P value
eGFR (mL/min/1.73m2)5.3 (4.6, 6.4)5.6 (3.6, 7.8)0.738
Serum potassium (mmol/L)3.9 (3.5, 4.9)4.0 (3.6, 4.5)0.427
Calcium (mmol/L)1.89 (1.69, 2.06)1.99 (1.78, 2.08)0.212
Phosphorus (mmol/L)1.91 (1.71, 2.23)1.62 (1.29, 2.19)0.010
iPTH (ng/L)355.0 (217.5, 504.0)219.0 (127.5, 449.0)0.083
Serum albumin (g/L)33.2±5.131.7±5.90.203
B-type natriuretic peptide (pg/mL)299.0 (134.0, 900.5)479.0 (249.0, 1480.0)0.054
Haemoglobin (g/L)82.0 (72.5, 95.0)82.0 (66.5, 98.0)0.888
  • All data are presented as median (P25, P75), except albumin (mean±SD).

  • eGFR, estimated glomerular filtration rate; iPTH, intact parathyroid hormone; USHD, urgent-start haemodialysis; USPD, urgent-start peritoneal dialysis.