Baseline

6 months

12 months

p

PTH (pg/ml)        
Mean ± SD  174.24 ± 12.3 170.45 ± 21.6 177.11 ± 13.3 0.316
Median (IQR) 169 (156-182) 169 (148-178) 167 (154-186)  
Serum Calcium        
Mean ± SD 8.9 ± 0.81 8.95 ± 0.66 8.95 ± 0.61 0.285
Median (IQR) 8.85 (8.76-9.1) 8.8 (8.78-9.2) 8.8 (8.7-9.2)  
Serum phosphorous        
Mean ± SD 5.2 ± 1.58 6.3 ± 2.2 6.1 ± 2.6 0.003
Median (IQR) 5.0 (4.8-5.6) 6.2 (5.1-6.8) 5.9 (5.3-6.8)  
ALKP        
Mean ± SD 227.4 ± 21.8 176.8 ± 15.3 158.5 ± 18.1 <0.001
Median (IQR) 184 (159-207) 161 (134-170) 138 (121-152)  
IQR= interquartile range; ALKP= alkaline phosphatase
Table 2: Comparison of serum calcium, phosphorous and ALKP at baseline and throughout the study period.