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Table 1 Baseline patient characteristics according to diabetes status

From: Red blood cell distribution width as a prognostic marker in patients with heart failure and diabetes mellitus

Variables

Total (N = 218)

Diabetes (N = 71)

No diabetes (N = 147)

p value

Age (years), mean (SD)

73.9 (11.5)

73 (11.2)

74.4 (11.7)

0.399

Male gender, N (%)

132 (60.6)

45 (63.4)

87 (59.2)

0.658

Systolic blood pressure (mmHg), median [IQR]

155 [30]

160 [30]

155 [28]

0.837

Diastolic blood pressure (mmHg), median [IQR]

95 [10]

95 [10]

95 [13]

0.983

Heart rate (bpm), mean (SD)

116.2 (13.2)

113.5 (12.9)

117.9 (13.2)

0.334

HFrEF, N (%)b

157 (72)

48 (67.6)

109 (74.1)

0.313

EF (%), median [IQR]

37 [25]

37 [25]

37 [25]

0.127

Hypertension, N (%)

144 (66.1)

49 (69)

95 (64.6)

0.521

Atrial fibrillation, N (%)

109 (50)

33 (46.5)

76 (51.7)

0.411

Coronary artery disease, N (%)

75 (34.4)

26 (36.6)

49 (33.3)

0.229

NYHA class (admission)

 II

4 (1.8)

2 (2.8)

2 (1.4)

0.646

 III

58 (26.6)

17 (23.9)

41 (27.9)

 IV

156 (71.6)

52 (73.2)

104 (70.7)

B-blockera, N (%)

181 (83)

60 (84.5)

121 (82.3)

0.686

ACE-inhibitora, N (%)

138 (63.3)

40 (56.3)

98 (66.7)

0.138

Loop diureticsa, N (%)

193 (88.5)

63 (88.7)

130 (88.4)

0.949

MRA’sa, N (%)

132 (60.6)

42 (59.2)

90 (61.2)

0.77

Metformina, N (%)

60 (27.5)

60 (84.5)

–

–

Sulfonylurea analoguesa, N (%)

11 (5)

11 (15.5)

–

–

Insulina, N (%)

22 (10.1)

22 (30.9)

–

–

Hematocrit (%), mean (SD)

40.4 (4.6)

40.1 (5)

40.6 (4.3)

0.874

RDW (%), mean (SD)

15.2 (1.6)

15.2 (1.5)

15.3 (1.7)

0.744

K+ (mmol/L), mean (SD)

4.6 (0.8)

4.6 (0.8)

4.6 (0.7)

0.718

Uric acid (mg/dL), mean (SD)

7.2 (2.2)

7.1 (2)

7.3 (2.3)

0.841

Ferritin (ng/mL), median [IQR]

55 [72]

72 [82.1]

52 [59.5]

0.043

B12 (pg/mL), median [IQR]

257 [239]

258 [208]

250 [256]

0.660

Glucose (mg/dL), median [IQR]

133 [70]

182 [127]

116.5 [38]

<0.0001

HbA1C (%), median [IQR]

6.3 [1.4]

7.6 [0.6]

6.1 [0.5]

<0.0001

Urea (mg/dl), median [IQR]

56 [35]

58 [40]

54 [33]

0.652

EPO (mIU/mL), median [IQR]

13.5 [13.4]

14.6 [13.9]

12.5 [13.1]

0.156

Creatinine (mg/dL), median [IQR]

1.2 [0.7]

1.2 [0.7]

1.1 [0.6]

0.231

SGOT (IU/L), median [IQR]

27 [21]

23 [19]

27.5 [20]

0.263

SGPT (IU/L), median [IQR]

34 [23]

35 [18]

32.5 [29]

0.965

Na+(mmol/L), median [IQR]

140 [7]

138 [7]

141 [6]

0.015

WBC (103/mm3), median [IQR]

8.8 [4.2]

10.1 [4.6]

8.3 [4.4]

0.012

Folic Acid (ng/mL), median [IQR]

7 [4.2]

7.6 [4.6]

6.5 [3.7]

0.027

Weight (kg), median [IQR]

78 [25]

82 [27]

76 [21]

0.04

  1. aMonotherapy or combination therapy
  2. bHFrEF: EF < 50%