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Table 2 Clinical and laboratory data stratified according to GFR in CKD stages

From: Circulating osteoprotegerin is associated with chronic kidney disease in hypertensive patients

Parameter CNT Patients with CKD
   CKD3 (n = 14) CKD4 (n = 13) CKD5 (n = 15)
SBP (mmHg) 155.25 ± 18.28 161.79 ± 20.15 168.46 ± 17.25 172.67 ± 25.97*
DBP (mmHg) 92.26 ± 9.20 93.21 ± 13.95 96.92 ± 18.09 94.67 ± 14.94
Calcium (mg/dL) 10.20 ± 0.54 10.09 ± 0.76 10.21 ± 0.71 10.30 ± 0.89
Phosphate (mg/dL) 2.76 ± 0.58 2.71 ± 0.92 3.55 ± 0.97* 4.41 ± 1.86*
PTH (pg/mL) 33.70 ± 16.7 57.00 ± 22.61* 126.37 ± 70.32* 160.89 ± 161.23*
CRP (mg/L) 4.03 ± 8.51 5.92 ± 4.83 6.83 ± 4.58* 15.9 ± 17.89*
OPG (pg/mL) 1216.18 ± 443.93 1619.11 ± 736.13* 1909.28 ± 1560.04* 4413.64 ± 3208.59*
  1. CKD is for chronic kidney disease, CNT is for control, CRP is for C-reactive protein, DBP is for diastolic blood pressure, OPG is for osteoprotegerin, PTH is for parathormone, SBP is for systolic blood pressure. *p < 0.05