Table 3 The relationships of demographic and medical parameters across quartiles of serum 25(OH) D.

From: The relationship between serum 25-hydroxyvitamin D levels and the severity of COVID-19 disease and its mortality

 

Serum 25(OH)D quartiles

P-value

Q1

Q2

Q3

Q4

Admision warda

Non ICU

95 (78)

105 (85)

106 (90)

114 (95)

 < 0.0001*

ICU

26 (22)

19 (15)

12 (10)

6 (5)

Sexa

Male

69 (57)

69 (56)

65 (55)

46 (38)

0.005*

Female

52 (43)

55 (44)

53 (45)

74 (62)

DMa

No

95 (78)

97 (78)

91 (77)

92(77)

0.69

Yes

26 (22)

27 (22)

27 (23)

28 (23)

IHD

No

103 (85)

108 (87)

102 (86)

103 (86)

0.92*

Yes

18 (15)

16 (13)

16 (14)

17 (14)

Glucocorticoid usea

No

118 (97)

114 (92)

113 (96)

114 (95)

0.68*

Yes

3 (3)

10 (8)

5 (4)

6 (5)

Vitamin D supplement usea

No

114 (94)

104 (84)

95 (80)

88 (77)

 < 0.0001*

Yes

7 (6)

20 (16)

23 (20)

32 (23)

COVID-19 disease severitya

Mild

16 (13)

16 (13)

18 (15)

15 (13)

0.01

Moderate

48 (40)

54 (44)

43 (37)

62 (52)

Severe

31 (26)

35 (28)

45 (38)

36 (30)

Critical

26 (21)

19 (15)

12 (10)

6 (5)

COVID-19 disease outcomea

Death

17 (14)

14 (11)

13 (11)

6 (5)

0.03*

Recovery

104 (86)

110 (89)

104 (89)

113 (95)

Age (year)b

54 ± 18

55 ± 17

56 ± 17

59 ± 16

0.17

BMIb

27 ± 4

26 ± 5

28 ± 5

28 ± 5

0.09

Creatinin (mg/dl)b

2 ± 1

2 ± 1

2 ± 2

1 ± 0

0.28

Cacium (mg/dl)b

9 ± 1

9 ± 1

9 ± 1

9 ± 1

0.44

Phosphor (mg/dl)b

3 ± 2

3 ± 1

3 ± 1

3 ± 1

0.50

Albumin (g/dl)b

3 ± 1

3 ± 1

4 ± 1

4 ± 1

0.05

  1. DM diabetes mellitus, HTN hypertension, IHD ischemic heart disease, BMI body mass index.
  2. an (%).
  3. bMean ± SD.
  4. *Cochran-Armitage test for trend.
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