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Table 2 Differences between patients with FID and AID

From: The prevalence of iron deficiency and anemia and their impact on survival in patients at a cardio-oncology clinic

Baseline Characteristics

FID

n = 88/599 (14.7%)

AID

n = 186/599 (31.1%)

P-value

Age (mean ± SD, range)

62.9 ± 13.9 (18–87)

60.9 ± 15.8 (16–86)

p = 0.310

Sex

 Female

42 (47.7%)

137 (73.3%)

p < 0.001

Cancer location

  

p < 0.000

 Breast

12 (13.6%)

74 (39.6%)

1

 Genitourinary

14 (15.9%)

18 (9.6%)

 

 Sarcoma

16 (18.2%)

13 (7%)

 

 Gastrointestinal

10 (11.4%)

23 (12.3%)

 

 Thyroid

6 (6.8%)

19 (10.2%)

 

 Gynaecologic

10 (11.4%)

16 (8.6%)

 

 Hematologic

6 (6.8%)

6 (3.2%)

 

 Others

3 (3.4%)

9 (4.8%)

 

 Melanoma

6 (6.8%)

6 (3.2%)

 

 Lung

5 (5.7%)

3 (1.6%)

 

Cardiovascular risk factors

 Hypertension

29 (32.9%)

81 (43.5%)

p = 0.11

 Diabetes

12 (13.6%)

29 (15.6%)

p = 0.02

 Dyslipidaemia

6 (6.8%)

24 (12.9%)

p = 0.142

 Smoking

21 (23.9%)

31 (16.7%)

p = 0.6

Elevated BNP

76 (89.4%)

142 (75.9%)

p = 0.01

LVEF (mean ± SD, range, %)

56.5 ± 11.3 (22–85)

58.2 ± 10.4 (21–80)

p = 0.226

 LVEF < 50%

19 (22.1%)

24 (13%)

p = 0.03

Kidney dysfunction

 GFR < 60 ml/min/1.73 m2

68 (77.3%)

139 (74.3%)

p = 0.598

TSAT (mean ± SD, range, %)

13.7 ± 3.8 (4.0–19.0)

13.5 ± 4.2 (3.0–19.0)

p = 0.707

 Median

14

14

 

Ferritin (μg/L) (mean ± SD, range)

311.5 ± 274.5 (100.0–1468.0)

37.8 ± 23.7 (6.0–99.0)

p < 0.001

 Median

220.5

31.5

 

Serum iron

   

  (umol/L)(mean ± SD, range)

8.6 ± 7.8 (1.6–76)

9.55 ± 3.1 (1.6–17)

p = 0.264

Anemia

62 (70.4%)

82 (45.8%)

p = 0.03

Deceased during the study period

45 (51.1%)

44 (23.5%)

p < 0.001

  1. FID Functional iron deficiency, AID Absolute iron deficiency, SD Standard deviation, HF Heart failure, CAD Coronary artery disease, BNP Brain natriuretic peptide, LVEF Left ventricular ejection fraction, GFR Glomerular filtration rate, TSAT Transferrin saturation