Comparison of CKD-EPI Cystatin C and Creatinine Glomerular Filtration Rate Estimation Equations in Asian Indians

Table 1

Demographics and characteristics.

Parameter*	(mean ± SD)	Body mass index (kg/m^2)				𝑃 value
	All patients; (𝑛=2877)	<20; (𝑛=175)	20–25; (𝑛=1071)	25–30; (𝑛=1138)	≥30; (𝑛=493)
Age (years)	57.3±9.7	60.3	57.9	56.6	56.4	<0.001
Male (𝑛, %)	1501, 52.2	57.7	59.9	52.5	32.9	<0.001
Height (cm)	162±9	163	164	162	160	<0.001
Weight (kg)	69.2±13.6	48.9	61.5	72.1	86.2	<0.001
Body mass index (kg/m^2)	26.2±4.7	18.4	22.9	27.2	33.7	—
Serum creatinine (mg/dL)	0.87±0.29	0.86	0.88	0.87	0.81	<0.001
Serum cystatin C (mg/L)	0.98±0.27	0.98	0.97	0.97	1.03	<0.001
Urine albumin to creatinine ratio (mg/g)	41±139	34	45	39	42	0.6
Systolic blood pressure (mm Hg)	135±19.8	132	134	136	137	<0.001
Diastolic blood pressure (mm Hg)	78±10.3	75	78	79	77	<0.001
Hypertension (𝑛, %)	1597, 55.5	45.1	50.6	57.4	65.5	<0.001
Diabetes (𝑛, %)	948, 33.0	21.1	31.2	34.0	38.5	<0.001

∗All parameters reported as mean ± SD, or frequency, %. Conversion factor for unit: serum creatinine in mg/dL to 𝜇mol/L, ×88.4.