Table 2.

Comparison Between Methods for the Values of Total IgE and sIgE Associations With the Results of Skin‐Prick Test (Where Applicable) in Selected Group of Patients (N = 569)

Tested parameter	Assay system	Comparing two methods			Correlation with SPT
		Median (IQR)	Z	P‐value	Spearman R	P‐value
Total IgE	CAP	94.9 (37.7–231.0)	8.000	<0.0001	N/A	N/A
	IML	113.0 (42.7–277.0)			N/A	N/A
Aeroallergens
Alternaria tenuis	CAP	9.90 (2.68–18.80)	4.301	<0.0001	0.432	0.0014
	IML	6.82 (2.73–11.90)			0.322	0.0199
Birch	CAP	7.96 (2.28–18.10)	5.929	<0.0001	0.203	0.1027
	IML	19.70 (3.90–54.80)			0.335	0.0060
Cat dander	CAP	4.53 (1.58–12.00)	7.464	<0.0001	0.249	0.0456
	IML	15.10 (5.12–32.50)			0.373	0.0022
Common ragweed	CAP	10.16 (2.65–30.40)	2.239	0.0251	0.337	0.0038
	IML	12.60 (2.30–31.70)			0.390	0.0007
D. pteronyssinus	CAP	12.20 (2.25–52.60)	2.864	0.0042	0.347	0.0047
	IML	17.2 (3.17–68.50)			0.357	0.0035
Orchard grass	CAP	6.66 (1.89–19.10)	6.554	<0.0001	0.343	0.0040
	IML	13.40 (3.55–46.90)			0.404	0.0006
Food allergens
Egg white	CAP	1.94 (0.92–5.76)	7.685	<0.0001	0.496	<0.0001
	IML	5.36 (2.60–19.50)			0.508	<0.0001
Milk	CAP	1.44 (0.59–6.08)	4.308	<0.0001	0.626	<0.0001
	IML	0.55 (0.25–3.30)			0.759	<0.0001
Peanut	CAP	3.98 (1.29–17.50)	0.574	0.5663	0.521	<0.0001
	IML	3.79 (0.54–21.20)			0.671	<0.0001
Insect venom
Honey bee venom	CAP	5.74 (1.63–21.25)	0.961	0.3367	N/A	N/A
	IML	5.01 (1.41–27.15)			N/A	N/A
Yellow jacket venom	CAP	1.24 (0.45–3.22)	1.014	0.3105	N/A	N/A
	IML	1.12 (0.16–5.85)			N/A	N/A
rApi m 1 ‐ Apis mellifera	CAP	1.11 (0.23–6.47)	5.127	<0.0001	N/A	N/A
	IML	4.30 (0.62–18.00)			N/A	N/A
rVes v 5 ‐ Vespula vulgaris	CAP	0.66 (0.09–2.87)	3.213	0.0013	N/A	N/A
	IML	1.61 (0.08–8.30)			N/A	N/A

CAP, UniCAP 100 FEIA; IML, IMMULITE 2000 CLEIA.