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Table 3 Twenty-four-hour urine metabolites of kidney stone formers having follow-up 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=1088)

During COVID-19

(n=469)

p valuea

24-U volume

2226 (790)

2156 (771)

0.108

24-U creatinine

1.19 (0.36)

1.15 (0.34)

0.110

24-U urea

30.77 (9.84)

27.06 (10.10)

<0.001***

24-U sodium

161.74 (71.30)

151.45 (68.81)

0.009**

24-U potassium

59.28 (24.64)

53.80 (27.18)

<0.001***

24-U uric acid

449.40 (169.36)

415.50 (173.65)

<0.001***

24-U magnesium

80.51 (28.71)

101.36 (37.43)

<0.001***

24-U calcium

220.31 (100.09)

213.89 (100.42)

0.249

24-U oxalate

46.05 (19.35)

45.07 (19.39)

0.359

24-U citrate

821.7 (344.0)

762.4 (370.2)

0.003**

  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 <0.01
  5. ***p value <0.001