Assessment of serum electrolytes and kidney function test for screening of chronic kidney disease among Ethiopian Public Health Institute staff members, Addis Ababa, Ethiopia

Table 2 Distribution of eGFR category using MDRD and CKD-EPI equations by electrolyte level, Addis Ababa, Ethiopia, 2018 (n = 412)

Serum electrolyte levels in mmol/L		Total participant N (%)	MDRD (GFR. ml/min/1.73 m²)			CKD-EPI (GFR. ml/min/1.73m²)
Serum electrolyte levels in mmol/L		Total participant N (%)	≥90 N (%)	60–89 N (%)	P-value	≥90 N (%)	60–90 N (%)	P-value
Sodium	Normal Hypernatremia	402 (97.6) 10 (2.4)	387 (96.3) 10 (100)	15 (3.7) 0 (0.0)	1.000	394 (98) 10 (100)	8 (2.0) 0 (0.0)	1.000
Potassium	Hypokalemia Normal Hyperkalemia	2 (0.5) 371 (90) 39 (9.5)	2 (100) 356 (96) 39 (100)	0 (0.0) 15 (4.0) 0 (0.0)	0.423	2 (100) 363 (97.8) 39 (100)	0 (0.0) 8 (2.2) 0 (0.0)	0.637
Chloride	Hypochloremia Normal Hyperchloremia	2 (0.5) 388 (94.2) 22 (5.3)	2 (100.0) 373(96.1) 22 (100)	0 (0.0) 15 (3.9) 0 (0.0)	0.618	2 (100) 380 (97.9) 22 (100)	0 (0.0) 8 (2.1) 0 (0.0)	0.777
Calcium	Hypocalcemia Normal Hypercalcemia	35 (8.5) 376 (91.3) 1 (0.2)	32 (91.4) 364 (96.8) 1 (100)	3 (8.6) 12 (3.2) 0 (0.0)	0.262	33 (94.3) 370 (98.4) 1 (100)	2 (5.7) 6 (1.6) 0 (0.0)	0.238
Phosphate	Normal Hyperphosphatemia	409 (99.3) 3 (0.7)	395(96.6) 2 (66.7)	14 (3.4) 1 (33.3)	0.106	401 (98.0) 3 (100)	8 (2.0) 0 (0.0)	1.000
Magnesium	Hypomagnesemia Normal Hypermagnesemia	4 (1.0) 407 (98.8) 1 (0.2)	4 (100) 392(96.3) 1 (100)	0 (0.0) 15 (3.7) 0 (0.0)	0.909	4 (100.0) 399 (98.0) 1 (100)	0 (0.0) 8 (2.0) 0 (0.0)	0.951

All serum electrolytes were measured through mmol/L. The normal value of each electrolyte level was as described on Cobase 6000 analyzer normal set point. eGFR Estimated glomerular filtration rate

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