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Table 3 Changes in markers of inflammation

From: Allergen inhalation challenge, refractoriness and the effects of ibuprofen

Treatment

Timepoint

Blood EOS (x109/L)

Sputum EOS (%)

FeNO (ppb)

MCh PC20 (mg/mL)

Placebo

pre AC (baseline)

0.17 (0.11–0.26)

5.1 (2.7–9.6)

29.5 (19.7–44.2)

1.9 (0.95–3.8)

7 h post AC1

0.20 (0.14–0.28)

8.2 (3.1–21.9)

33.2 (22.3–49.4)

1.9 (0.95–4.1)

7 h post AC2

0.23 (0.16–0.34)

12.1 (4.2–35.0)

39.0 (25.4–59.9)

1.7 (0.96–3.1)

Ibuprofen

pre AC= (baseline)

0.14 (0.08–0.25)

4.0 (2.1–7.8)

29.7 (19.6–44.8)

2.4 (0.99–5.8)

7 h post AC1

0.21 (0.14–0.31)

8.6 (3.4–21.8)

30.5 (17.9–52.1)

1.6 (0.70–3.5)

7 h post AC2

0.26 (0.18–0.39)

14.1 (7.0–28.5)

40.8 (24.4–68.3)

1.5 (0.73–3.2)

  1. Data are presented as the geometric mean (95 % confidence intervals)
  2. AC allergen challenge; EOS eosinophils; FeNO fractional exhaled nitric oxide and MCh PC 20 concentration of methacholine causing a 20 % fall in FEV1