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. 2020 May 29;15(5):e0233342. doi: 10.1371/journal.pone.0233342

Table 5. Comparison of the number and percentage of correct answers for the questions about specific signs of PIDs.

N Question 2016 2019
n = 82 n = 67
n % n %
1. Telangiectasia may be specific to:
a) hepatic insufficiency, 50 61.0 56 83.6
b) ataxia-telangiectasia syndrome (Louis-Bar syndrome) 44 53.7 55 82.1
2. The absence of thymus confirms Di George syndrome 41 50.0 39 58.2
3. Numerous (6 and more) of ‘coffee-with-milk’ colored spots are specific to:
a) Nijmegen breakage syndrome (NBS) 28 34.1 59 88.1
b) Louis-Bar syndrome 15 18.3 58 86.6
c) Bruton's agammaglobulinemia 52 63.4 53 79.1
4. Dysmorphic facial features are specific to:
a) common variable immunodeficiency (CVID) 64 78.0 55 82.1
b) DiGeorge syndrome 31 37.8 57 85.1
c) Nijmegen breakage syndrome 27 32.9 61 91.0
5. Inflammation+ thrombocytopenia + eczema may be the signs of:
a) Wiskott-Aldrich syndrome 55 67.1 61 91.0
b) atopic dermatitis 58 70.7 59 88.1
6. In cases of Nijmegen syndrome chest X-ray examination is allowed 9 11.0 37 55.2
7. Normal levels of leukocytes (WBC), hemoglobin, platelets, HCT are sufficient to exclude neutropenia 66 80.5 52 77.6
8. AFP (alpha-fetoprotein) appears in high concentrations in A-T syndrome 39 47.6 47 70.1
9. Children diagnosed with microcephaly should undergo genetic testing 30 36.6 25 37.3
Total: 609 49.5 774 77.0*

*P<0.0001