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Table 1 Characteristics of subjects prescribed metformin

From: Medication safety and chronic kidney disease in older adults prescribed metformin: a cross-sectional analysis

Characteristic

Result

 

N = 356

Age, years, median (IQR)

69 (66, 74)

Sex, %

 

  Male

47.5

  Female

52.5

Weight, kg, median (IQR)

76.9 (66, 93.7)

Race, %

 

  Non-Hispanic black

39.4

  Other

60.6

Serum creatinine, μmol/L, median (IQR)a

80 (70, 97)

Creatinine clearance (Cockcroft-Gault), mL/min, median (IQR)b

76 (60, 94)

Estimated glomerular filtration rate, mL/min/1.73 m2a

 

  Abbreviated MDRD Study equation, median (IQR)

74 (61, 87)

  CKD-EPI equation, mean ± SD (range)

76 ± 19 (21–118)

Prevalence of chronic kidney disease stage 3 or higher by any measure, N (%)

110 (31.4%)

  1. IQR interquartile range (25th, 75th percentile).
  2. SD standard deviation.
  3. aN = 350, serum creatinine values not reported for 6 subjects.
  4. bN = 337, serum creatinine, race or weight not reported for 26 subjects.