Table 3.

Adjusted incident CKD stage 3 rate ratios in each group

CysC and MA groups*	Rate ratio (95% CI)
CysC < 1 mg/L without MA	1.00 (Reference)
MA with CysC < 1 mg/L	1.57 (1.19–2.07)
CysC ≥ 1 mg/L without MA	1.37 (1.13–1.66)
CysC ≥ 1 mg/L with MA	2.12 (1.61–2.80)

Note : Conversion factors for units : CysC mg/L to nmol/L, ×74.9

Abbreviations: MA, microalbuminuria; CI, confidence intervals ; CKD, chronic kidney disease ; CysC, cystatin C

^*adjusted for age, gender, race, body mass index, systolic blood pressure, diastolic blood pressure, antihypertensive medications, diabetes, low density lipoprotein cholesterol, high density lipoprotein cholesterol, smoking, education, estimated glomerular function rate