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Table 1 Baseline clinical characteristics of BT patients

From: Safety of delivering bronchial thermoplasty in two treatment sessions

BT treatment group

Accelerated

Conventional

p

Sample size

16

37

 

Age (years)

49.0 (20.8)

59.0 (19.5)

0.154

Males (%)

43.8

48.6

0.660a

BMI (kg/m2)

34.0 (10.6)

29.0 (7.7)

0.008

Tobacco (pack/years)

0 (7)

0 (9.5)

0.938

ACQ

3.5 (1.5)

3.0 (1.5)

0.259

Exacerbations in 6 months

2.0 (4.4)

2.0 (4.0)

0.868

FEV1 (% predicted)

45.9 (22.1)

49.5 (26.3)

0.291

FER (%)

56.0 (24.25)

51.1 (19.6)

0.106

Change FEV1 post BD (%)

10.9 (29.5)

12.5 (22.5)

0.880

Prednisolone (mg/d)

10.0 (25)

5.0 (10)

0.105

Inhaled steroids (eq/d)

2000 (1000)

2000 (1000)

0.750

SABA (puffs/day)

12.0 (9)

8.0 (14)

0.034

Biological therapy (%)

62.5

13.5

0.001a

Bl. Eosinophils (cells/μl)

50 (100)

200 (400)

0.003

IgE (I.U.)

40 (140)

67 (156)

0.330

  1. Median (Interquartile range) p: Mann Whitney test a: Fishers exact test, BMI body mass index, ACQ Asthma Control Questionnaire, FEV1 forced expiratory volume 1 s, FER forced expiratory ratio, SABA short acting beta agonist. Inhaled steroid dose measured in beclomethasone equivalent dose, BD: bronchodilator, I.U: International Units, Bl: Blood