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Table 2 Comparison of kidney function and comorbid conditions between kidney stone formers and controls

From: Impact of nephrolithiasis on kidney function

 

Stone formers (N = 195)

Control group (N = 390)

P-value

Age (years)

51 (19–70)

51 (29–71)

-

Males, N (%)

108 (55.3)

216 (55.3)

-

Serum creatinine (μmol/L)a

75 (41–140)

64 (34–168)

< 0.001

eGFR (mL/min/1.73 m2)a

87.0 ± 20.3

104.0 ± 22.1

< 0.001

eGFR < 60 mL/min/1.73 m2a, N (%)

18 (9.3)

5 (1.3)

< 0.001

BMI (kg/m2)

28.1 (17.0-49.1)

26.0 (17.4-45.3)

< 0.001

Systolic BP (mm Hg)

130 (86–175)

131 (90–212)

0.51

Diastolic BP (mm Hg)

78 (38–108)

81 (54–122)

0.001

Hypertension, N (%)

65 (33.3)

86 (22.1)

0.003

Diabetes, N (%)

15 (7.7)

12 (3.1)

0.02

Cardiovascular disease, N (%)

10 (5.1)

28 (7.2)

0.34

  1. Data are presented as mean ± standard deviation for normally distributed variables, median (range) for other continuous variables and as number (%) for categorical variables
  2. Abbreviations: BMI body mass index, BP blood pressure, eGFR estimated glomerular filtration rate
  3. aTwo cases with only a single serum creatinine value available during a stone episode and the corresponding controls were excluded
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BMC Nephrology

ISSN: 1471-2369

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