Stevens.creat.cys {nephro}

Stevens' formula for a combination of serum creatinine and cystatin C

Description

GFR estimation using the 3rd formula proposed by Stevens et al. (Am J Kidney Dis 2008), which combines creatinine and cystatin C

Usage

Stevens.creat.cys(creatinine, cystatin, sex, age, ethnicity)

Arguments

creatinine

Numeric vector with serum or plasma creatinine values in mg/dl

cystatin

Numeric vector with serum or plasma cystatin C values in mg/l

sex

Numeric vector with 0 for females and 1 for males

age

Numeric vector with age in years

ethnicity

Numeric vector with 0 for non-Black and 1 for Black individuals

Value

The function returns a numeric vector with eGFR values in ml/min/1.73 m^2.

Author(s)

Cristian Pattaro

References

Stevens LA, et al. Estimating GFR using serum cystatin C alone and in combination with serum creatinine: a pooled analysis of 3,418 individuals with CKD. Am J Kidney Dis 2008; 51: 395-406.

See Also

CKDEpi.creat.cys