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Table 3 Previous clinical and functional respiratory characteristics of all patients with asthma who died, by the degree of certainty of the diagnosis of asthma

From: “Causes of death in asthma, COPD and non-respiratory hospitalized patients: a multicentric study”

 

All (n = 82)

Asthma high certainty*(n = 26)

Asthma lower certainty*(n = 56)

Value of p

Age mean (SD)

75 (15)

70 (15)

78 (15)

0.061

Sex

    

men

52

23.1

21.4

0.869

women

47

76.9

78.6

BMI mean (SD)

23.7 (6)

27.8 (7.2)

27.5 (7.1)

0.900

Hospitalizations due to asthma. n (%)

    

– Patients admitted

26 (48.1)

10 (38.5%)

16 (28.6%)

0.838

– Number of admissions per patient

2.03 (1.8)

2.83 (2.3)

1.55 (1.3)

Asthma control (GINA), n (%)

    

Uncontrolled

41 (59.4)

14 (58.3)

27 (60)

0.791

Partly controlled

18 (26.1)

6 (25.0)

12 (26.7)

Controlled

10 (14.5)

4 (16.7)

6 (13.3)

GINA severity, n (%)

    

Intermittent,

17 (28.8)

3 (14.3)

14 (36.8)

0.075

Persistent, mild

13 (22.0)

2 (9.5)

11 (28.9)

 

Persistent, moderate

21 (35.4)

11 (52.4)

10 (26.4)

Persistent, severe

8 (13.6)

5 (23.8)

3 (7.9)

Spirometry, mean (SD)

    

– FEV1, ml

1.215 (767)

1453 (739)

907 (709)

0.692

– FEV1,%

64.4 (23)

63.2(22.4)

66.5 (25.2)

Previous maintenance treatment, n (%)

    

– LABA + ICS

19 (26.7)

12 (46.1)

7 (15.6)

0.122

– LABA + ICS + LTRAs

13 (18.3)

8 (30.8)

5 (11.1)

– No treatment

12 (16.9)

3 (11.5)

9 (20)

– Short-acting β2-adrenergic agonist

10 (14.1)

2 (7.8)

8 (17.8)

– LTRAs

9 (12.7)

0

9 (20)

– LABA+ICS+oral corticosteroids

3 (4.2)

0

3 (6.7)

– Other:

   

 – Ipratropium bromide

2 (2.8)

0

2 (4.4)

 – LABA only

2 (2.8)

1 (3.8)

1 (2.2)

 – ICS only

1 (1.4)

0

1 (2.2)

 
  1. Footnote: Values represent means (standard deviation) or number of cases (percentage).
  2. FEV 1 , forced expiratory volume in the first second; ICS, inhaled corticosteroids; LABA, long-acting β2-adrenergic agonists; LTRAs, leukotriene receptor antagonists.
  3. *Comparisons between groups were not significant using the χ2 test for the categoric variables; and for the ordinal or quantitative variables, using the ANOVA test, or the Kruskall-Wallis test if the values did not present a normal distribution.
  4. Differences between asthma high certainty and asthma lower certainty.