Pistachio OFC: positive n=19 (%) Pistachio OFC: negative n=56 (%)
p-value
Cashew OFC: positive n=32 (%) Cashew OFC: negative n=46 (%)
p-value
Socio-demographic characteristics Sex Male Female Age during test

≥ 12 years old

<12 years old
16(21.3) 3(4) 6 (5.2) 13 (11.3) 29(38.6) 27(36) 15(13.1) 39(33.9) 0.01 0.75 18(23) 14(17.9) 5(6.5) 27(35) 25(32) 21(26.9) 12(15.6) 33(42.3) 0.87 0.25
Comorbidities Asthma Yes
No Eczema Yes No
13(17.3) 6(8) 4(5.3) 15(20) 35(46.7) 21(28) 13(17.3) 43(57.3) 0.8 1 18(23) 14(17.9) 11(14.1) 8(10.3) 30(38.5) 16(20.5) 21(26.9) 38(48.7) 0.42 0.08
Reported reaction in clinical history† Absent Grade I Grade II and + 15(20) 3(4) 1(1.3) 45(60) 6(8) 5(6.7)
0.78
11(14.1) 10(12.8) 11(14.1) 31(39.7) 7(9) 8(10.3)
0.01
Pistachio OFC Negative (n=56) Positive (n=19) Not performed (n=40) Negative Pistachio SPT
Lost during follow-up
Not performed yet
11(0.9) 5(4.3) 17(14.7) 2 (4.9) 3 (7.3) 11 (26.8) 22(19.8) 0(0) 24(20.8) 6 (14.6) 2 (4.9) 16 (39)
0.008
Pistachio wheal size < 3 mm
≥ 3 mm Pistachio IgE (KUA/l) < 4.14
≥ 4.14
0(0) 19(25.3) 16(21.3) 3(4) 4(5.3) 52(69.3) 51(69.3) 4(5.3) 0.56 0.36 4(5.3) 27(36) 25(38.5) 5(7.7) 8(10.7) 36(48) 31(47.7) 4(6.1) 0.75 0.72
Cashew OFC Negative (n=46) Positive (n=32) Not performed (n=37) Negative CN SPT
Lost during follow-up
Not performed yet
0(0) 5(6.7) 14(18.7) 1 (2.7) 3 (8.1) 10 (27) 22(29.3) 11(14.7) 23(30.7) 16 (62.2) 2 (5.4) 5 (13.5)
0.008
Cashew wheal size < 3 mm
≥ 3 mm Cashew IgE (KUA/l) < 1.125
≥ 1.125 Ana o 3 IgE (KUA/l) < 2
≥ 2
1(1.3) 18(24.3) 10(15.9) 9(14.3) 4(11.1) 6(16.7) 20(27) 33(44.6) 31(49.2) 13(20.6) 24(66.7) 2(5.6) 0.08 0.25 0.002 0(0) 31(40.3) 15(20.2) 14(18.9) 12(24) 9(18) 8(10.4) 38(49.3) 29(39.1) 16(21.6) 28(56) 1(2) 0.02 0.27 <0.001
Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10] Cut-off for specific IgE levels are based on the articles by Lange et al. and Cetinkaya t al. [4,9]. †Grading of anaphylaxis based on the article by Sampson et al [10]