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Table 3 Association between bone mineral density, disease severity, and osteogenesis parameters in patients with urolithiasis

From: Low bone mineral density is a potential risk factor for symptom onset and related with hypocitraturia in urolithiasis patients: a single-center retrospective cohort study

 

T-score

p value

> − 1.0 (n = 186)

− 1 to − 2.5 (n = 135)

< − 2.5 (n = 49)

 

Age (years)

55.3 ± 14.6

57.8 ± 14.6

64.9 ± 12.4

< 0.001

BMI (kg/m2)

25.8 ± 5.1

23.5 ± 4.5

21.6 ± 2.5

< 0.001

Age of onset (years)

44.9 ± 16.0

46.1 ± 17.1

54.3 ± 17.3

0.01

Recurrence

89 (54.3)

65 (56.0)

20 (45.5)

0.48

Previous history of urolithiasis

113 (63.8)

69 (56.1)

34 (70.8)

0.16

Presence of symptoms during clinic visits

9.3 ± 0.4

9.3 ± 0.4

9.3 ± 0.5

0.39

Family history of stones

13 (19.4)

12 (32.4)

1 (7.7)

0.13

DM

24 (13.3)

19 (15.0)

7 (14.9)

0.91

HLP

51 (28.5)

32 (25.2)

11 (23.4)

0.70

HTN

56 (31.1)

36 (28.3)

17 (35.4)

0.66

PHP

2 (1.2)

4 (3.2)

5 (11.1)

0.004

RTA

1 (0.6)

0 (0.0)

2 (4.4)

0.02

Fluid recommendation

149 (82.3)

105 (82.7)

41 (85.4)

0.54

Nutrition recommendation

169 (93.4)

119 (93.7)

44 (91.7)

0.66

Bisphosphonate use

1 (0.5)

6 (4.4)

15 (30.6)

< 0.001

NaKCit use

37 (20.7)

31 (24.4)

12 (26.1)

0.63

Thiazide use

0 (0.0)

0 (0.0)

1 (2.2)

0.04

VitD supplementation

2 (1.2)

0 (0.0)

2 (4.3)

0.07

Serum Ca (mg/dL)

9.3 ± 0.4

9.3 ± 0.4

9.3 ± 0.5

0.39

Serum P (mg/dL)

3.2 ± 0.5

3.2 ± 0.6

3.4 ± 0.4

0.33

Serum PTH (mg/dL)

44.5 ± 21.4

47.2 ± 23.8

56.4 ± 26.3

0.21

Urinary pH

6.50 [6.00, 7.00]

6.58 [6.00, 7.00]

6.75 [6.12, 7.00]

0.47

Urinary volume (L/day)

1.50 [1.03, 2.15]

1.40 [1.10, 1.95]

1.40 [1.13, 1.88]

0.72

Hypercalciuria

13 (7.0)

17 (12.6)

2 (4.1)

0.10

Hyperphosphaturia

23 (12.4)

12 (8.9)

0 (0.0)

0.03

Hyperoxaluria

56 (30.1)

32 (23.7)

10 (20.4)

0.26

Hypocitraturia

92 (49.5)

76 (56.3)

35 (71.4)

0.02

  1. Values are presented as means ± SD, n (%), or medians [interquartile range]
  2. Definitions of urine abnormalities: hypercalciuria ≥ 300 mg/day; hyperphosphaturia ≥ 3 g/day; hypernatriuria ≥ 5.8 g/day; hyperoxaluria ≥ 40 mg/day; hypocitraturia ≤ 320 mg/day
  3. BMI, body mass index; DM, diabetes mellitus, HLP, hyperlipidemia; HTN, hypertension, PHP, pseudohypoparathyroidism; RTA, renal tubular acidosis; VitD, vitamin D; SD, standard deviation, Ca, calcium, P, phosphorus, PTH, parathyroid hormone