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Comparison of symptoms of all participants to ID-associated symptoms at V1 and V2
| Symptoms of ID | V1, n (%) | V2, n (%) | p value |
|---|---|---|---|
| Brittle nails | 17 (36.2) | 11 (23.4) | 0.109 |
| Increased hair loss | 13 (27.7) | 8 (17) | 0.063 |
| Load-dependant headache | 5 (10.6) | 6 (12.8) | >0.999 |
| Shortness of breath/palpitations during exercise | 13 (27.7) | 9 (19.1) | 0.219 |
| Dizziness | 7 (14.9) | 6 (12.8) | >0.999 |
| Painful or “slippery” tongue | 1 (2.1) | 0 | >0.999 |
| Unexplained food/nonfood cravings (Pica) | 0 | 1 (2.1) | >0.999 |
