Outcome Factor | Atopic | Non-atopic | |||||
Number of subjects with factor/outcome# | OR (95% CI) | Number of subjects with factor/outcome | OR (95% CI) | ||||
present | absent | present | absent | ||||
Specific immunological sensitization | |||||||
Rhinitis on contact with pets | present | 40 | 37 | 3.71 (1.83–7.52) | |||
absent | 19 | 77 | |||||
PC20<32 mg·mL−1 | present | 37 | 34 | 2.95 (1.46–5.95) | |||
absent | 22 | 80 | |||||
Occupational rhinoconjunctivitis | |||||||
Perannual rhinitis | present | 39 | 81 | 2.90 (1.21–6.95) | |||
absent | 8 | 75 | |||||
Immediate skin reaction to pets | present | 28 | 34 | 3.20 (1.50–6.85) | |||
absent | 19 | 121 | |||||
PC20<32 mg·mL−1 | present | 31 | 55 | 2.13 (1.00–4.56) | 6 | 45 | 4.10 (1.11–15.20) |
absent | 16 | 101 | 4 | 123 | |||
Probable occupational asthma | |||||||
Immediate skin reaction to pets | present | 16 | 42 | 4.05 (1.60–10.21) | |||
absent | 8 | 85 |
#: The number of cases with the outcome present or absent is given, as is the number of cases with the factor present or absent
PC20: provocative concentration causing a 20% fall in forced expiratory volume in 1 second