Table 1. Comparison of between PFAS and nPFAS groups.

Variable		PFAS (n = 156)	nPFAS (n = 130)	p value
No. of causative foods per person		2.5±2.0	1.9±1.1	<0.05
Frequency of symptoms each group				0.43
	Local systems	109 (69.9)	98 (75.3)
	Systemic symptoms	47 (30.1)	32 (24.7)
Frequency of anaphylaxis		9 (5.7)	6 (4.6)	0.80

Values are presented as mean ± standard deviation or number (%).

PFAS, pollen-food allergy syndrome; nPFAS, no pollen-food allergy syndrome.

T-test were used to compare between the 2 group. Any value of p < 0.05 was considered statistically significant.