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Table 2 Twenty-four-hour urine metabolites of kidney stone formers having first-time stone clinic visit during and before COVID-19

From: Effects of COVID-19 pandemics on urinary metabolites in kidney stone patients: our kidney stone prevention clinic experience

Variable

Before COVID-19

(n=336)

During COVID-19

(n=113)

p valuea

24-U volume

1725 (756)

1795 (700)

0.386

24-U creatinine

1.17 (0.36)

1.26 (0.35)

0.055

24-U urea

27.05 (8.98)

24.54 (8.77)

0.012*

24-U sodium

156.43 (67.98)

135.22 (64.44)

0.005**

24-U potassium

52.04 (20.08)

43.10 (26.85)

0.002**

24-U uric acid

441.27 (173.26)

414.43 (229.65)

0.257

24-U magnesium

72.89 (29.07)

97.38 (31.84)

<0.001***

24-U calcium

185.70 (94.84)

196.63 (112.22)

0.358

24-U oxalate

37.48 (18.23)

44.07 (18.32)

0.001***

24-U citrate

742.4 (347.0)

710.1 (370.4)

0.407

  1. Bold values emphasize statistical significance
  2. 24-U 24-h urine
  3. aAll p values stand for an independent sample T test
  4. *p value <0.05
  5. **p value <0.01
  6. ***p value <0.001