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Table 2 Comparison between patients with vitamin D deficiency, insufficiency, sufficiency and month specific tertiles

From: Vitamin D status and its association with season, hospital and sepsis mortality in critical illness

 

Deficiency (n = 394)

Insufficiency (n = 172)

Sufficiency (n = 89)

Low tertile (n = 216)

Intermediate tertile (n = 219)

High tertile (n = 220)

Gender, male (%)

61.4%

62.2%

70.8%

59.7%

64.8%

64.1%

Age (years), median (iqr)

65 (22)

65 (23)

65 (25)

68 (22)

64 (26)

64 (23)*

SAPS II, median (iqr)

27 (17)

24 (14)

24 (14)*

30 (16)

24 (15)

24 (15)*

Type of ICU, n (%)

      

 medical

38.6%

32.6%

33.7%*

42.1%

36.1%

30.9%*

 neurologic

18.3%

33.1%

39.3%*

18.5%

21.9%

34.5%*

 mixed surgical

26.6%

18.0%

15.7%*

25.0%

23.7%

20.0%*

 cardiothoracic

16.5%

16.3%

11.2%*

14.4%

18.3%

14.5%*

25(OH) D (ng/ml), median (iqr)

12.2 (5.2)

24.4 (4.7)

37.5 (12.9)*

9.7 (3.7)

16.3 (8.4)

28.0 (12.4)*

GFR (ml/min), mean ± sd

85±62

81±38

82±40

83±65

84±55

84±39

CRP (mg/dl), mean ± sd

107±95

82±95

117±132*

110±93

100±98

94±112*

Total calcium (mmol/l), mean ± sd

2.11±0.19

2.15±0.18

2.15±0.15*

2.10±0.19

2.12±0.19

2.16±0.16*

Ionized calcium (mmol/l), mean ± sd

1.09±0.12

1.12±0.10

1.10±0.08

1.09±0.12

1.09±0.11

1.12±0.09

Phosphate (mmol/l), mean ± sd

1.19±0.46

1.16±0.37

1.15±0.45

1.22±0.49

1.16±0.42

1.15±0.41

PTH (pg/ml), median (iqr)

52 (55)

47 (34)

45 (36)

54 (66)

49 (45)

43 (32)*

  1. *Refers to a statistically significant difference between subgroups (P <0.05). 25(OH) D, 25-hydroxyvitamin D; CRP, C-reactive protein; GFR, glomerular filtration rate; iqr, interquartile range; PTH, parathyroid hormone; SAPS II, Simplified Acute Physiology Score II.