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Table 2 Sputum before and after amp Provocation

From: Can AMP induce sputum eosinophils, even in subjects with complete asthma remission?

 

Complete remission

Current asthma

 

(n = 7)

Total group

(n = 23)

Negative

PC 20 AMP

(n = 12)

Positive

PC 20 AMP

(n = 11)

Total cells (×10 6 /ml)

Baseline

0.6 (0.1 - 2.9)

0.3 (0.1 - 2.3)

0.4 (0.1 - 2.3)

0.3 (0.2 - 2.1)

After AMP

0.2 (0.1 - 1.4) θ

0.3 (0.1 - 3.0)

0.4 (0.2 - 3.0)

0.3 (0.1 - 0.8)

Change

-0.5 (-1.5 - 0.0)

0.0 (-1.7 - 1.5)

0.1 (-1.1 - 1.5)

0.0 (-1.7 - 0.2)

Squamous cells (%)

Baseline

23.8 (5.3 - 67.0)

21.3 (0.8 - 70.3)

19.2 (0.8 - 70.3)

21.3 (4.7 - 43.3)

After AMP

41.5 (9.0 - 49.0)

17.5 (0.5 - 64.5)

19.9 (0.5 - 64.5)

17.5 (1.7 - 24.5)

Change

14.0 (-26.2 - 22.2)

-2.0 (-25.8 - 27.0)

-1.1 (-16.5 - 27.0)

-2.0 (-25.8 - 10.6)

Neutrophils (%)

At baseline

62.2 (18.9 - 77.6)

55.2 (19.8 - 94.5)

56.8 (20.7 - 94.5)

55.2 (19.8 - 93.6)

After AMP

48.1 (15.0 - 90.4)

59.0 (22.3 - 96.8)

71.3 (25.7 - 96.8)

52.7 (22.3 - 71.0)

Change

-3.9 (-37.9 - 58.1)

-3.2 (-35.1 - 68.0)

-0.4 (-29.5 - 68.0)

-5.1 (-35.1 - 25.4)

Macrophages (%)

At baseline

35.8 (19.9 - 77.7)

32.7 (5.3 - 76.4)

40.0 (5.3 - 76.4)

32.7 (5.6 - 76.2)

After AMP

49.1 (8.9 - 84.2)

29.2 (3.0 - 72.5)

23.1 (3.0 - 72.5)

39.1 (12.6 - 61.2)

Change

11.2 (-56.7 - 41.3)

1.2 (-65.1 - 28.6)

0.0 (-65.1 - 28.6)

1.2 (-37.1 - 20.6)

Eosinophils (%)

At baseline

0.2 (0.0 - 4.6)

0.5 (0.0 - 25.7)

0.2 (0.0 - 1.8)‡‡

1.9 (0.0 - 25.7)

After AMP

0.2 (0.0- 2.6)*, ‡‡‡

2.6 (0.0 - 32.0)θ θ θ

1.3 (0.0 - 6.3)‡‡‡, θ

5.9 (2.5 - 32.0)θ θ

Change

-0.2 (-2.3 - 0.2)**, ‡‡, §§

1.4 (-2.3 - 13.7)

0.7 (-0.5 - 6.1)

2.7 (-2.3 - 13.7)

Lymphocytes (%)

At baseline

2.2 (1.4 - 7.3)

1.9 (0.0 - 6.9)

2.0 (0.2 - 6.9)

1.9 (0.0 - 5.9)

After AMP

0.3 (0.0 - 2.5)*, ‡‡, θ, §

1.3 (0.0 - 6.1)

0.8 (0.0 - 6.1)

1.7 (0.7 - 4.8)

Change

-1.8 (-7.0 - 0.7)

-0.2 (-4.9 - 4.8)

-0.4 (-4.2 - 3.8)

0.1 (-4.9 - 4.8)

  1. Squamous cells were not included in the number of total cells and in the percentages of all other cell types.
  2. Values are medians (ranges).
  3. * p ≤ 0.05, ** p ≤ 0.01 versus current asthma total group.
  4. p ≤ 0.05, ‡‡ p ≤ 0.01, ‡‡‡ p ≤ 0.001 versus current asthma PC20 AMP positive.
  5. § p ≤ 0.05, §§ p ≤ 0.01 versus current asthma PC20 AMP negative.
  6. θ p ≤ 0.05, θ θ p ≤ 0.01, θ θ θ p = 0.001 versus at baseline.