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Table 3 Analytical and functional respiratory tests according to alpha 1 antitrypsin genotype

From: Alpha 1 antitrypsin distribution in an allergic asthmatic population sensitized to house dust mites

 

PI*MM (n = 503)

PI*MS (n = 110)

PI*MZ (n = 15)

PI*SS (n = 14)

PI*SZ (n = 6)

P value*

FEV1 (l)

0.23

 Median (IQ25–75)

2.9 (2.5–3.4)

2.9 (2.4–3.4)

2.9 (2.7–3.3)

3.1 (2.8–3.7)

3.3 (3.2–3.3)

FEV1 (%)

0.0763

 Median (IQ25–75)

90 (81–100)

91 (76–101)

92 (84–105)

97 (86–99)

101 (99–111)

Total IgE (IU/dL)§

0.194

 Median (IQ25–75)

272 (124–576)

207 (74–538)

165 (115–399)

151 (127–646)

169 (90–582)

IgE Dermatophagoides pteronyssinus

0.372

 Median (IQ25–75)

45 (17–100)

31 (9–101)

70 (11–101)

34 (20–89)

61 (30–101)

IgE Dermatophagoides farinae

0.273

 Median (IQ25–75)

29 (12–80)

17 (6.6–54)

41 (14–79)

24 (8.8–74)

31 (21–84)

IgE Blomia tropicalis

0.89

 Median (IQ25–75)

7 (2.1–22)

8 (2.5–19)

6 (5.2–9.6)

9.5 (2–18)

4.5 (1–8.5)

IgE Lepidoglyphus destructor

0.348

 Median (IQ25–75)

2 (1–6)

3.1 (1.1–8)

4 (3.6–10)

4 (2–8)

2.2 (2–16)

IgE Tyrophagus putrescientae

0.409

 Median (IQ25–75)

2.3 (1–8)

2.3 (1.4–5)

1 (1–1.01)

1.6 (0.7–8)

2.1

IgE Acarus siro

0.129

 Median (IQ25–75)

2 (0.9–7)

4 (3–5)

10 (4.3–35)

5.5 (1–11)

23.3

IgA (mg/dL)§

0.333

 Median (IQ25–75)

216.5 (164–285)

204 (150.8–261)

261 (181–331)

224 (193–238)

255 (160–267)

Eosinophils (109/L)§

0.0228

 Median(IQ25–75)

0.3 (0.2–0.5)

0.3 (0.2–0.4)

0.4 (0.3–0.6)

0.5 (0.3–0.6)

0.3 (0.2–0.4)

Nasal cytology eosinophils (%)

0.378

 Median (IQ25–75)

40 (10–70)

20 (7.5–60)

45 (33–65)

50 (30–65)

50

AAT (mg/dL)§

1.18e−25

 Median (IQ25–75)

138 (123–159)

116 (104–137)

80 (78–87)

89 (86–96)

64 (61.3–70.5)

  1. FEV1 (forced expiratory volume in the 1 s), IgE (immunoglobulin E), IgA (immunoglobulin A), AAT (alpha1 antitrypsin)
  2. * Kruskal–Wallis statistic analysis
  3. Statistical significance, p value < 0.05
  4. §Normal value IgE: 10–179 IU/ml; Normal value of IgA: 80–310 mg/dl; Normal value of blood eosinophils: 0–0.54 × 109/L; Normal value ATT: 100–200 mg/dL (1.0–2.0 g/L)