| Parameter | The use of crude vegetables or fruits every day | P | |
| No (n = 49) | Yes (n = 20) | ||
| Spontaneous NBT-test, mM | 95.7 (77.8; 107.8) | 107.8 (94.5; 112.8) | 0.04 |
| Stimulated NBT-test, mM | 107.1 (88.2; 112.4) | 108.5 (107.1; 113.5) | >0.05 |
| Myeloperoxidase, SED | 5.4 (4; 7.4) | 5.5 (4.5; 7.7) | >0.05 |
| Glutatione reductase, nM∙l−1∙sec−1 | 302.8 (281.4; 365.8) | 304.4 (284.8; 366.5) | >0.05 |
| Catalase, mCat/l | 333.7 (241.7; 392.9) | 344.3 (285.8; 400.9) | 0.03 |