| Skin reactivity | PPV |
Present | Absent |
Before symptoms | Same time as symptoms | After symptoms | No symptoms |
Cutaneous symptoms | 21 | 22 | 7 | 67 | 31 | 32/117 28 (19–35) |
Work-related RC symptoms | | | | | | |
Nasal | 18 | 17 | 13 | 42 | 44 | 27/90 30 (21–41) |
Ocular | 14 | 16 | 17 | 59 | 31 | 22/106 21 (14–30) |
Nasal and/or ocular | 17 | 19 | 17 | 26 | 46 | 27/90 30 (21–41) |
Work-related respiratory symptoms | | | | | | |
Dyspnoea | 7 | 1 | 5 | 110 | 8 | 8/123 6.5 (3–13) |
Wheezing | 8 | 4 | 6 | 111 | 3 | 10/129 8.0 (4–14) |
Dyspnoea and/or wheezing | 9 | 4 | 6 | 103 | 3 | 11/22 9.0 (5–16) |