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Incidence of positive patch test reactions for formaldehyde in the groups according to the type of exposure
| Groups |
Total | ||||||
|---|---|---|---|---|---|---|---|
| Control group n/% | Dental professio-nals n/% | Trainees of dental medicine n/% | Students of dental medicine n/% | Students of veterinary medicine n/% | Veterinarians n/% | ||
| With sensitization | 16/45.7 | 9/22.0 | 12/44.4 | 11/23.4 | 34/94.4 | 17/85.0 | 99/48,1 |
| Without sensitization | 19/54.3 | 32/78.0 | 15/55.6 | 36/76.6 | 2/5.6 | 3/15.0 | 107/51.9 |
| Total | 35 | 41 | 27 | 47 | 36 | 20 | 206 |
