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Table 1 Baseline characteristics of the women and men with and without anemia

From: Prevalence and predictive importance of anemia in Swedish nursing home residents – a longitudinal study

Women

Parameter

All (n = 276)

Anemia (A) = Hb < 120 g/L (n = 89)

Nonanemic (NA) (n = 187)

p-value (A vs. NA)

 

100%

32.2%

67.8%

 

 Age (years) mean ± SD

85.9 ± 6.6

87.1 ± 6.0

85.4 ± 6.8

0.037

 Hb (g/L) mean ± SD

124.5 ± 13.6

109.0 ± 7.5

131.8 ± 8.7

<0.001

 Weight (kg) mean ± SD

63.9 ± 14.0

62.0 ± 13.7

64.7 ± 14.1

0.137

 Height (cm) mean ± SD

159.6 ± 6.8

159.0 ± 6.5

159.8 ± 6.9

0.370

 BMI (kg/m2) mean ± SD

25.0 ± 5.0

24.6 ± 5.2

25.3 ± 5.0

0.296

 Physical activity (h/week) mean ± SD

0.51 ± 0.76

0.43 ± 0.69

0.54 ± 0.79

0.246

 Social activity (h/week) mean ± SD

1.97 ± 2.32

1.97 ± 2,28

1.97 ± 2,34

0.983

 Medications in total ± SD

6.8 ± 3.0

7.0 ± 3,3

6.7 ± 2,9

0.442

 Warfarin

7.2% (n = 20)

3.4% (n = 3)

9.1% (n = 17)

0.087

 ASA

50.7% (n = 140)

46.1% (n = 41)

52.9% (n = 99)

0.286

 SSRI

35.1% (n = 97)

39.3% (n = 35)

33.2% (n = 62)

0.316

 NSAID

1.8% (n = 5)

1.1% (n = 1)

2.1% (n = 4)

0.554

 BNP > 100 ng/L (n = 273)

50.5%

55.7%

48.1%

0.242

 eGFR < 60 mL/min (n = 273)

61,9%

67.4%

59.2%

0.192

 eGFR < 30 mL/min (n = 273)

7.0%

11.2%

4.9%

0.053

 Transthyretin < 0.23 g/L (n = 272)

59.9%

68.5%

55.7%

0.043

 CRP ≥ 10 mg/L (n = 275)

31.6%

46.6%

24.6%

<0.001

 Ferritin > 204 μg/L (n = 276)

17.8%

25.8%

13.9%

0.015

 Transferrin < 1.9 g/L (n = 275)

4.7%

6.8%

3.7%

0.262

Men

Parameter

All (n = 114)

Anemia (A) = Hb < 130 g/l (n = 59)

Nonanemic (NA) (n = 55)

p-value (A vs NA)

 

100%

51.8%

48.2%

 

 Age (years) mean ± SD

83.0 ± 6.7

84.2 ± 6.3

81.8 ± 7.0

0.064

 Hb (g/L) mean ± SD

128.6 ± 15.4

117.1 ± 9.0

140.9 ± 10.6

<0.001

 Weight (kg) mean ± SD

73.9 ± 13.1

71.9 ± 11.9

76.0 ± 14.0

0.095

 Height (cm) mean ± SD

173 ± 6.7

172.4 ± 6.6

172.7 ± 6.9

0.811

 BMI (kg/m2) mean ± SD

24.8 ± 4.3

24.2 ± 4.1

25.4 ± 4.3

0.129

 Physical activity (h/week) mean ± SD (n = 109)

0.58 ± 0.94

0.39 ± 0.71

0.78 ± 1.11

0.030

 Social activity (h/week) mean ± SD (n = 109)

1.19 ± 1.94

1.04 ± 1.98

1.35 ± 1.89

0.401

 Medications in total

7.1 ± 3.2

7.6 ± 3,3

6.6 ± 3,0

0.078

 Warfarin

11.3% (n = 13)

11.7% (n = 7)

10.9% (n = 6)

0.873

 ASA

56.1% (n = 64)

52.5% (n = 31)

60.0% (n = 33)

0.423

 SSRI

33.3% (n = 38)

30.5% (n = 18)

36.4% (n = 20)

0.508

 NSAID

0.9% (n = 1)

1.7% (n = 1)

0.0% (n = 0)

0.332

 BNP > 100 ng/L (n = 113)

49.6%

63.8%

34.5%

0.002

 eGFR < 60 mL/min (n = 114)

61.4%

67.9%

54.5%

0.146

 eGFR < 30 mL/min (n = 114)

11.4%

20.3%

1.8%

0.002

 Transthyretin < 0.23 g/L (n = 114)

56.1%

62.7%

49.1%

0.143

 CRP ≥ 10 mg/L (n = 112)

34.8%

45.8%

22.6%

0.010

 Ferritin > 275 μg/L (n = 113)

15.0%

16.9%

13.0%

0.554

 Transferrin < 1.9 g/L (n = 113)

3.5%

3.4%

3.7%

0.928

  1. Hb hemoglobin, SD standard deviation, BMI Body Mass Index, ASA acetylsalicylic acid, SSRI selective serotonin re-uptake inhibitors, NSAID nonsteroidal anti-inflammatory drugs, BNP B-type natriuretic peptide, eGFR estimated glomerular filtration rate, CRP C-reactive protein