| 
      
        | Test | X ± SD (mm) | Minimum maximum size(mm) | Positive result |  
        | Number of patients | Percentage of patients |  
        | Positive control | 11.15 ± 3.79 | 1-24 | 150 | 99.6 |  
        | Negative control | 0.17 ± 1.03 | 2-10 | 23 | 2.6 |  
        | Orange | 3.95 ± 3.25 | 3-12 | 110 | 63.6 |  
        | Peach | 2.10 ± 3.15 | 3-10 | 56 | 32.3 |  
        | Banana | 3.08 ± 3.23 | 3-10 | 88 | 50.9 |  
        | Apple | 3.08 ± 3.11 | 4-9 | 90 | 52.0 |  
        | Carrot | 2.65 ± 3.11 | 3-10 | 77 | 44.5 |  
        | Potato | 1.90 ± 2.83 | 4-8 | 56 | 32.4 |  
        | Cacao | 3.12 ± 2.97 | 3-9 | 95 | 54.9 |  
        | Walnut | 2.85 ± 3.16 | 4-9 | 82 | 47.4 |  
        | Haselnut | 2.88 ± 3.12 | 3-9 | 85 | 49.1 |  
        | Cow    milk | 2.00 ± 2.87 | 3-9 | 60 | 34.7 |  
        | Chicken | 2.02 ± 2.86 | 3-9 | 61 | 35.3 |  
        | Barleymeal | 1.57 ± 2.66 | 4-9 | 47 | 27.2 |  
        | Fish | 1.57    ± 2.60 | 4-9 | 49 | 28.3 |  
        | Tomato | 1.84    ± 2.95 | 3-10 | 52 | 30.0 |  
        | Onion | 0.82    ± 2.28 | 4-9 | 21 | 12.1 |  
        | Cumin | 0.95    ± 2.42 | 4-10 | 25 | 14.4 |  
        | Olive | 1.88    ± 3.16 | 3-9 | 48 | 27.7 |  
        | Strawberry | 1.78    ± 3.09 | 3-11 | 47 | 27.2 |  
        | Lemonade | 1.71    ± 2.84 | 2-9 | 49 | 28.3 |  
        | Rice | 1.39    ± 2.73 | 3-10 | 38 | 21.9 |  
        | Coffe | 1.58    ± 2.87 | 3-8 | 43 | 24.8 |  
        | Soya | 1.20    ± 2.58 | 2-9 | 33 | 19.1 |  
        | Black Pepper | 1.02    ± 2.43 | 3-9 | 28 | 16.2 |  
        | Bean | 0.94    ± 2.41 | 4-10 | 25 | 14.4 |  
        | Wheat | 1.11    ± 2.53 | 3-10 | 30 | 17.3 |  
        | Kiwi | 1.15    ± 2.61 | 3-10 | 31 | 17.9 |  
        | Corn | 0.71    ± 1.99 | 3-8 | 21 | 12.1 |  
        | Peanut | 1.06    ± 2.38 | 3-9 | 31 | 17.9 |  
        | Egg | 0.88    ± 2.12 | 4-8 | 27 | 17.3 |  
        | Tea | 0.65    ± 1.98 | 5-9 | 18 | 0.9 |  
        | Almonds | 0.78    ± 2.08 | 3-8 | 23 | 13.3 |  
        | Red pepper | 076    ± 2.13 | 3-9 | 21 | 12.1 |  |