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Table 1 Baseline characteristics in patients with or without in-hospital mortality and comparison between patients with and without RDW values

From: The association of Red cell distribution width and in-hospital mortality in older adults admitted to the emergency department

 

RDW value recorded

N = 1990

No RDW value recorded

N = 807

p

 

Survivors

Non-survivors

p

Survivors

Non-survivors

p

 

N = 1,916

N = 74

 

N = 788

N = 19

 

Demographics

       

Age

74.8 ± 7.2

74.9 ± 7.6

0.931

73.8 ± 6.6

77.9 ± 8.3

0.553

0.001

Sex, male

887 (46.3)

49 (66.2)

0.001

402 (51.0)

11 (57.9)

0.008

0.047

Comorbidities

       

Cancer

435 (22.7)

46 (62.2)

< 0.001

152 (19.4)

7 (36.8)

0.059

0.012

DM

614 (32.0)

18 (24.3)

0.162

247 (31.5)

5 (26.3)

0.633

0.831

HTN

1182 (61.7)

33 (44.6)

0.003

485 (61.8)

14 (73.7)

0.291

0.620

CAD

286 (14.9)

5 (6.8)

0.051

80 (10.2)

4 (21.1)

0.126

0.003

CVA

244 (12.7)

6 (8.1)

0.239

91 (11.6)

4 (21.1)

0.207

0.587

CHF

61 (3.2)

5 (6.8)

0.096

17 (2.2)

1 (5.3)

0.367

0.130

CKD

134 (7.0)

8 (10.8)

0.211

106 (13.5)

2 (10.5)

0.707

< 0.001

Chronic pulmonary disease

259 (13.5)

17 (23.0)

0.021

91 (11.6)

3 (15.8)

0.574

0.131

Laboratory Data

       

BUN, mg//dl

22.5 ± 16.5

34.1 ± 20.7

< 0.001

22.2 ± 13.5

29.3 ± 16.7

0.108

0.630

Creatinine, mg/dl

1.2 ± 1.4

1.5 ± 1.0

0.023

1.3 ± 1.4

2.1 ± 3.3

0.465

0.426

Hb, mg/dl

12.6 ± 2.1

11.2 ± 2.3

< 0.001

12.6 ± 2.3

10.0 ± 2.9

0.001

0.442

MCV, fL

91.9 ± 5.6

93.3 ± 7.6

0.118

92.0 ± 6.4

91.6 ± 4.5

0.815

0.910

WBC, 109/L

8.7 ± 4.1

10.6 ± 5.1

0.003

8.7 ± 10.3

14.6 ± 9.0

0.073

0.963

Sodium, mEq/L

138.5 ± 5.2

135.6 ± 7.5

0.002

139.1 ± 5.1

134.3 ± 6.0

0.004

0.092

CRP, mg/dl

3.1 ± 6.0

9.0 ± 8.2

< 0.001

2.7 ± 5.2

4.6 ± 4.0

0.273

0.097

ESR, mm/h

41.8 ± 31.4

67.9 ± 36.5

< 0.001

37.1 ± 29.8

49.1 ± 41.5

0.265

0.004

RDW, %

13.8 ± 1.7

15.9 ± 2.5

< 0.001

NA

NA

NA

< 0.001

Clinical Score

       

SOFA

1.9 ± 1.6

4.4 ± 2.7

< 0.001

1.9 ± 1.4

5.7 ± 2.3

< 0.001

0.501

LOS

       

Hospital

4.97 ± 9.03

14.00 ± 11.59

< 0.001

3.6 ± 6.0

6.0 ± 7.6

0.196

0.000

ICU

0.53 ± 2.45

4.00 ± 7.87

< 0.001

0.3 ± 2.0

1.5 ± 3.4

0.135

0.001

Vasopressor

46 (2.4 %)

35 (47.3 %)

< 0.001

8 (1.0)

6 (31.6)

< 0,.001

0.003

Ventilator

33 (1.7 %)

22 (29.7 %)

< 0.001

3 (0.4)

4 (21.1)

< 0,.001

0.002

  1. Abbreviation: DM diabetes mellitus, HTN hypertension, CAD coronary artery disease, CVA cerebrovascular disease, CHF congestive heart failure, CKD chronic kidney disease, BUN blood urea nitrogen, Hb hemoglobin, MCV mean corpuscular volume, WBC white blood cell, CRP C-reactive protein, ESR erythrocyte sedimentation rate, RDW red cell distribution width, SOFA sequential organ failure score, LOS length of stay