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Table 2 Patient comorbidities according to severity of hyponatraemia

From: Prognosis of patients with severe hyponatraemia is related not only to hyponatraemia but also to comorbidities and to medical management: results of an observational retrospective study

 

All patients

(n = 147)

Group A

(n = 20)

Group B

(n = 41)

Group C

(n = 86)

P a

Department of hospitalisation

- Medicine (%)

- Surgery (%)

- Intensive care (%)

105 (72.9)

14 (9.7)

25 (17.4)

13 (68.4)

0 (0)

6 (31.6)

31 (79.5)

1 (2.6)

7 (18.0)

61 (70.9)

13 (15.1)

12 (14.0)

.05

Charlson comorbidity index

3.8 ± 3.0

2.2 ± 1.9

4.0 ± 3.1

4.2 ± 3.1

.02

Myocardial Infarction (%)

31 (21.1)

2 (10.0)

11 (26.8)

18 (20.1)

.34

Heart failure (%)

29 (19.7)

2 (10.0)

8 (19.5)

19 (22.1)

.53

Peripheral artery disease (%)

23 (15.7)

0 (0)

9 (22.0)

14 (16.3)

.07

Stroke (%)

18 (12.2)

4 (20.0)

3 (7.3)

11 (12.8)

.34

Dementia (%)

9 (6.1)

4 (20.0)

1 (2.4)

4 (4.7)

.03

Chronic lung disease (%)

31 (21.1)

2 (10.0)

13 (31.7)

16 (18.6)

.12

Chronic liver disease (%)

12 (8.2)

1 (5.0)

1 (2.4)

10 (11.6)

.21

Diabetes (%)

33 (22.5)

3 (15.0)

8 (19.5)

22 (25.6)

.57

Chronic kidney disease (%)

23 (15.7)

0 (0)

7 (17.1)

16 (18.6)

.10

Cancer (%)

57 (38.8)

6 (30.0)

19 (46.3)

32 (37.2)

.43

  1. Group A: plasma sodium <110 mmol/l; group B: plasma sodium 110–115 mmol/l; group C: plasma sodium 116–120 mmol/l. abetween group A, B and C