Table 1

 Clinical characteristics of patients with an asthma exacerbation, patients with stable asthma and non-atopic non-smoker controls

Subject noSexAge(years)FEV1(% pred)FEV1/FVC(%)Medication
Home inhaled GC** dose(µg/day)Home oral GC dose(mg/day)
E-asthma, patients with asthma with an acute severe exacerbation; S-asthma, patients with stable asthma; NSC, non-smoking surgical controls; GC, glucocorticoid.
Time line for FEV1 measurements: E-asthma, after liberation from the mechanical ventilator and before discharge from hospital; S-asthma and NSC controls, before bronchoscopy.
*p<0.0001 vs NSC.
†p<0.0001 vs S-asthma.
‡None before 3 months of the start of the study.
§PC20 value 0.02326.
¶PC20 value 0.04073.
**Triamcinolone acetonide.
E-asthma (n  =  15)
1F502832010
2F50283216000
3M512733160020
4M241821010
5F424048160020
6F6259706000
7F53323516000
8F47385416000
9F504932160030
10M393137160020
11F5241388000
12F74604716000
13F645642160020
14M474139160030
15F56524500
Mean50.7†40*†40.3*†
SE2.93.33.0
S-asthma (n = 15)
16F3993730‡0‡
17M2576§850‡0‡
18M4092810‡0‡
19M2595720‡0‡
20F2489780‡0‡
21F2584970‡0‡
22F2697760‡0‡
23F2597910‡0‡
24F2688820‡0‡
25F2080820‡0‡
26M2772¶810‡0‡
27F3897800‡0‡
28F2385910‡0‡
29F2286870‡0‡
30F3982700‡0‡
Mean28*87*82
SE1.87.87.6
NSC (n = 15)
31F421128100
32M45957800
33F62947600
34F41987900
35F52898200
36F42907900
37F441068100
38F52898200
39F41978100
40F371037800
41M421088000
42F53907900
43F571028400
44F42937900
45F481038400
Mean479880
SE1.51.60.8