Skip to main content

Table 4 a) Probability of stone formation (Psf) in an extended cohort of 330 patients (median, interquartile range); b) Influence of low-salt low-calcium diet on Psf in the cohort of 215 patients with dietary intervention

From: Changes in urinary risk profile after short-term low sodium and low calcium diet in recurrent Swiss kidney stone formers

a

Factor

CaOx

CaP

UA

CaOx/CaP

UA/CaOx

p-value

N

200

22

13

89

6

 

PSF CaOx,

0.25 (0.07, 0.68)

0.38 (0.10, 0.50)

0.03 (0.01, 0.21)

0.21 (0.08, 0.67)

0.13 (0.02, 0.17)

0.039

PSF CaP

0.5 (0.24, 0.72)

0.87 (0.75, 0.95)

0.23 (0.17, 0.32)

0.68 (0.45, 0.88)

0.28 (0.00, 0.49)

<0.001

PSF UA

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.68

PSF CaOx/CaP,

0.33 (0.07, 0.73)

0.59 (0.24, 0.76)

0.10 (0.04, 0.32)

0.49 (0.12, 0.78)

0.08 (0.00, 0.16)

0.025

PSF UA/CaOx,

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.00 (0.00, 0.00)

0.73

b

Stone type

Delta (95%, CI)

p-value

CaOx

−0.06 (−0.10,-0.01)

0.02

CaP

−0.09 (−0.13,-0.05)

<0.001

Uric acid (UA)

0.02 (0.00,0.05)

0.06

UA/CaOx

0.02 (−0.01,-0.05)

0.11

CaOx/CaP

−0.06 (−0.11,-0.01)

0.03

  1. CaOx calcium oxalate, CaP calcium phosphate, UA uric acid, CaOx/CaP mixed calcium oxalate and calcium phosphate, UA/CaOx mixed uric acid and calcium oxalate, CI confidence interval