Table 3.: Biochemical Profile of pSS with RTA cohort.

Parameter Number of Patients Tested Mean ± SD Normal Range
S. Creatinine (mg/dl) 25 1.1 ± 0.343 0.7- 1.4
S. Bicarbonate (mmol/L) 25 12.21 ± 3.39 22-29
S. chloride (mmol/L) 22 116.36 ± 4.81 95-105
S. Potassium*(mmol/L) 25 2.56 ± 0.87 3.5- 5.0
S. Calcium†(mg/dl) 24 7.95 ± 0.43 8.3 - 10.4
S. Phosphorus† (mg/dl) 24 2.40 ± 0.82 2.5- 4.6
S. Alkaline phosphatase§ (units/L) 22 196.91 ± 162.29 40-125
25 hydroxy vitamin D (ng/ml) 18 27.5 ± 15.8 20.0- 32.0

* Hypokalemia was present in 21 out of 25 patients
S. Calcium levels were corrected for albumin. Hypocalcemia was present in 19 out of 24 patients
Hypophosphataemia was present in 12 out of 24 patients
§ High serum alkaline phosphatase was found in 11 out of 22 patients