Table 6 Correlations observed between parameters of allergic disease and the prevalence of mites in dust samples from dwellings of the examined patients in Bytom (south Poland). Results of the Spearman’s rank correlation test analysis (*p < 0.05).

Prevalence of mites (per 1 g of dust)	Parameters of allergic disease
	Familial predisposition to atopy	Severity of asthma	Other aeroallergens	Intensification of symptoms	Beginning of disease	Atopic dermatitis	Allergic rhinitis	Level of specific IgE to:
	Familial predisposition to atopy	Severity of asthma	Other aeroallergens	Intensification of symptoms	Beginning of disease	Atopic dermatitis	Allergic rhinitis	DP	DF
Dermatophagoides pteronyssinus	− 0.04	0.02	0.27*	0.03	− 0.12	− 0.19	− 0.26*	0.07	0.06
Dermatophagoides farinae	0.19	0.26*	0.01	− 0.14	0.10	0.26*	0.27*	0.34*	0.28*
Pyroglyphidae (total)	0.05	0.18	0.16	− 0.11	0.04	0.01	− 0.06	0.33*	0.28*
Domestic mites (total)	0.07	0.19	0.15	− 0.13	0.05	0.02	− 0.06	0.34*	0.29*
Total mites	0.07	0.19	0.15	− 0.13	0.05	0.02	− 0.06	0.34*	0.29*
Live Pyroglyphidae (total)	− 0.01	− 0.37*	0.003	0.01	− 0.21	− 0.30*	− 0.32*	− 0.26*	− 0.27*
Live domestic mites (total)	0.05	− 0.28*	0.08	− 0.12	− 0.27*	− 0.29*	− 0.32*	− 0.14	− 0.14
Live mites (total)	0.05	− 0.28*	0.08	− 0.12	− 0.27*	− 0.29*	− 0.32*	− 0.14	− 0.14
Live D. pteronyssinus	− 0.15	− 0.24	0.01	− 0.07	− 0.08	− 0.27*	− 0.40*	− 0.12	− 0.16
Live D. farinae	0.16	− 0.26*	− 0.01	0.10	− 0.23	− 0.11	0.21	− 0.24	− 0.20

Familial predisposition to atopy: yes [1], no [0]; Severity of asthma: seasonal [1], moderate [2], severe [3]; Other aeroallergens (scores of skin tests): positive [1], negative [0]; Intensification of symptoms: worse months of a year; Beginning of disease: age of children (in years); Atopic dermatitis: yes [1], no [0]; Allergic rhinitis: yes [1], no [0]; DP: Dermatophagoides pteronyssinus; DF: Dermatophagoides farinae.

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