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Table 1 Demographic characteristics and serum parameters of study cohort

From: Association between hypomagnesemia and severity of primary hyperparathyroidism: a retrospective study

 

Males

Females

 

normal magnesium group(n = 69)

hypomagnesemia group(n = 33)

P

normal magnesium group(n = 161)

hypomagnesemia group(n = 44)

P

Age (years)

49.2 ± 16.3

45.6 ± 15.8

0.304

54.9 ± 13.8

52.3 ± 12.0

0.262

BMI (kg/m2)

23.0 ± 2.8

20.8 ± 2.9

0.001

22.5 ± 3.5

22.3 ± 4.0

0.772

Hemoglobin (g/L)

134 ± 22

115 ± 23

<0.001

118 ± 18

107 ± 17

<0.001

eGFR (mL/min/1.73 m2)

76.2 ± 37.7

65.1 ± 38.5

0.238

80.3 ± 41.0

69.2 ± 34.0

0.141

Creatinine (umol/L)

99.2 ± 60.8

138.0 ± 112.7

0.032

78.6 ± 75.7

91.0 ± 51.7

0.315

Albumin (g/L)

38.6 ± 3.3

37.5 ± 6.5

0.301

39.3 ± 9.4

36.0 ± 6.2

0.026

Serum calcium (mmol/L)

2.81 ± 0.34

3.08 ± 0.46

0.005

2.73 ± 0.37

3.10 ± 0.59

<0.001

Corrected calcium (mmol/L)

3.06 ± 0.45

3.40 ± 0.59

0.004

2.96 ± 0.47

3.50 ± 0.66

<0.001

Serum phosphorus (mmol/L)

0.71 ± 0.20

0.74 ± 0.32

0.823

0.80 ± 0.28

0.80 ± 0.31

0.944

Serum magnesium (mmol/L)

0.94 ± 0.12

0.62 ± 0.12

<0.001

0.93 ± 0.12

0.62 ± 0.12

<0.001

24-h urinary calcium (mmol/day)

7.21 ± 4.26

9.55 ± 8.75

0.250

5.79 ± 3.19

7.51 ± 5.52

0.027

24-h urinary phosphorus (mmol/day)

15.7 ± 5.9

14.3 ± 7.0

0.394

13.0 ± 6.5

10.0 ± 4.6

0.018

24-h urinary magnesium (mmol/day)

2.91 ± 0.94

4.19 ± 3.67

0.046

2.54 ± 1.75

2.87 ± 3.16

0.444

PTH (pg/mL)

46.2 ± 50.1

157.2 ± 116.9

<0.001

50.2 ± 63.5

99.6 ± 90.3

<0.001

25(OH) D (ng/mL)

34.4 ± 18.2

36.6 ± 16.8

0.659

32.4 ± 16.5

34.6 ± 19.2

0.516

Lumbar BMD(g/cm2)

0.82 ± 0.16

0.77 ± 0.15

0.172

0.72 ± 0.15

0.69 ± 0.13

0.304

Hip BMD(g/cm2)

0.73 ± 0.16

0.64 ± 0.17

0.054

0.65 ± 0.17

0.62 ± 0.15

0.430

FN BMD(g/cm2)

0.60 ± 0.14

0.52 ± 0.14

0.024

0.53 ± 0.14

0.51 ± 0.12

0.428

  1. BMI body mass index, eGFR estimate glomerular filtration rate, PTH parathyroid hormone, 25 (OH) D, 25-hydroxyvitamin D, BMD bone mineral density, FN femoral neck