Table 2.

ROC curve analyses (AUC = areas under ROC curve)

Allergen	Reference standard	AUC-Area under ROC	p value	95% confidence interval
Grass pollen	Case history	0.70	< 0.001	0.64	0.75
	Previous SPT	0.87	< 0.001	0.82	0.91
	Specific IgE	0.89	< 0.001	0.85	0.93
House dust mite	Case history	0.74	< 0.001	0.69	0.78
	Previous SPT	0.84	< 0.001	0.80	0.88
	Specific IgE	0.88	< 0.001	0.85	0.92
Birch pollen	Case history	0.69	< 0.001	0.64	0.75
	Previous SPT	0.84	< 0.001	0.79	0.89
	Specific IgE	0.90	< 0.001	0.86	0.94
Mugwort pollen	Case history	0.65	< 0.001	0.59	0.71
	Previous SPT	0.70	< 0.001	0.65	0.76
	Specific IgE	0.80	< 0.001	0.75	0.85