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Table 3 Characteristics of patients according to iron status

From: Non-anemic iron deficiency predicts prolonged hospitalisation following surgical aortic valve replacement: a single-centre retrospective study

 

Ferritin

sTfR

Parameter

ID

IR

ID v IR mean difference (95% CI)

ID

IR

ID v IR mean difference (95% CI)

Age–y

70 (9.2)

68 (8.3)

2.1NS

(− 0.1, 4.4)

70 (9.2)

69 (8.8)

0.6NS

(− 2.1, 3.3)

Male–%

56

68

− 12.6*

(− 24.7, − 0.5)

64

60

3.6NS

(− 10.8, 8.1)

Urgent–%

13

19

− 6.1NS

(− 15.4, 3.3)

22

13

8.5NS

(− 20.4, 3.4)

Anemic–%

24

11

13.3*

(4.1, 22.4)

42

12

29.5*

(15.7, 43.3)

Hb–g/L

134 (15)

143 (14)

− 9.2*

(− 12.9, − 5.5)

132 (21)

140 (13)

− 7.9*

(− 12.5, − 3.4)

Transferrin –g/L

2.7 (0.4)

2.4 (0.3)

0.3*

(0.2, 0.4)

2.7 (0.4)

2.5 (0.4)

0.2*

(0.1, 0.3)

CRP–mg/L

3.6 (4.5)

9.6 (29.8)

− 6.1*

(− 10.9, − 1.2)

7.2 (14)

5.7 (21)

1.4 NS

(− 4.4, 7.3)

Hepcidin –µg/L

21 (16)

59 (33)

-37.8*

(− 43.9, − 31.5)

21 (22)

41 (32)

− 19.5*

(− 28.4, − 10.5)

Ferritin–µg/L

79 (82)

120 (108)

− 41.5*

(− 72.6, − 10.5)

sTfR–nmol/L

25 (9.5)

21 (6.7)

4.5*

(2.3, 6.6)

  1. Values are given as the mean (SD). For comparisons between groups the mean difference and 95% confidence interval (CI) are given. Where the CI includes zero the difference is marked as NS (non-significant); where the CI does not include zero an asterisk indicates a statistically significant difference