Airway responsiveness and atopy in families of patients with asthma

Table 4: Correlations between serum IgE level and other variables

Correlation with serum IgE level, Spearman correlation coefficient
(and p value)

Group PC20, mg/mL Eosinophil count, × 10⁹/L Atopic index

Group A
n = 94 -0.62   (< 0.0001) 0.42  (0.0001) 0.61  (0.0001)

Group C
n = 94 -0.59  (< 0.0001) 0.30  (0.003) 0.54  (0.0001)

Subjects with atopy in group A
n = 60 -0.48  (< 0.0001) 0.39  (0.002) 0.56  (0.0001)

Subjects with atopy in group C
n = 37 -0.51   (0.0001) 0.16  (0.33) 0.72  (< 0.0001)

Subjects with AAHR in group A
n = 38 -0.50  (< 0.0001) 0.46  (0.005) 0.60  (0.0004)

Subjects with AAHR in group C
n = 24 -0.83  (0.009) 0.48   (0.02) 0.71  (0.0006)

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Table 4: Correlations between serum IgE level and other variables
	Correlation with serum IgE level, Spearman correlation coefficient (and p value)
Group	PC20, mg/mL	Eosinophil count, × 10⁹/L	Atopic index
Group A n = 94	-0.62 (< 0.0001)	0.42 (0.0001)	0.61 (0.0001)
Group C n = 94	-0.59 (< 0.0001)	0.30 (0.003)	0.54 (0.0001)
Subjects with atopy in group A n = 60	-0.48 (< 0.0001)	0.39 (0.002)	0.56 (0.0001)
Subjects with atopy in group C n = 37	-0.51 (0.0001)	0.16 (0.33)	0.72 (< 0.0001)
Subjects with AAHR in group A n = 38	-0.50 (< 0.0001)	0.46 (0.005)	0.60 (0.0004)
Subjects with AAHR in group C n = 24	-0.83 (0.009)	0.48 (0.02)	0.71 (0.0006)