Table 1.

Demographic characteristics of study participants

CharacteristicControl Group (n=15)CKD Group (n=15)
Race (n)
 African-American46
 Caucasian98
 Hispanic11
 Other1
Sex (n)
 Male26
 Female139
Age (yr)48.5±14.260.1±13.3a
BMI (kg/m2)32.9±8.833.6±7.8
Serum creatinine (mg/dl)0.74±0.192.27±0.84a
eGFR (ml/min per 1.73 m2)102.2±21.030.5±11.1a
Season at enrollment (n)
 Winter (December–February)35
 Spring (March–May)78
 Summer (June–August)
 Fall (September–November)52
  • Values expressed with a plus/minus sign are the mean±SD. BMI, body mass index.

  • a P<0.05 versus control group.