Table 1 Demographic data of the studied patients based on the severity of exacerbation

Age (years)

36.78 ± 8.86

50.32 ± 10.92

< 0.001*

 Male

 Female

6 (33.3%)

12 (66.7%)

8 (36.4%)

14 (63.6%)

0.55

BMI (kg/m²)

26.33 ± 2.76

28.64 ± 3.86

0.04*

 Educated

 Illiterate

11 (61.1%)

7 (38.9%)

11 (50%)

11 (50%)

0.56

Smoking status

0.79

 Non-smoker

 Ex-smoker

 Passive smoker

 Current smoker

11 (61.1%)

2 (11.1%)

4 (22.2%)

1 (5.6%)

10 (45.5%)

3 (13.6%)

7 (31.8%)

2 (9.1%)

Family history of allergy

6 (33.3%)

14 (63.6%)

0.06

Previous ER visit

 Range

12 (66.7%)

1–8

(100%) 22

1–15

<0.001*

Previous MV

 Range

2 (11.1%)

1–2

11 (50%)

1–2

0.01*

Previous hospitalization

 Range

6 (33.3%)

1–4

16 (86.4%)

1–7

<0.001*