Table 5 Change in Lung Function, eNO, and BHR Between 2 Visits According to Mattress Exposure to Dust Mite Allergen*
From: Long-Term Effects of Allergen Sensitization and Exposure in Adult Asthma: A Prospective Study
Der p 1 (Mattress) | Â | FEV1 (L) | FEV1 (% Predicted) | FVC (L) | FVC (% Predicted) | eNO (ppb) | PD20 (Doubling Doses) | Between Group Doubling Dose Difference PD20 (95% CI) |
|---|---|---|---|---|---|---|---|---|
Not exposed | N | 84 | 84 | 67 | 67 | 58 | 48 | 1.26 |
|  | Mean | -0.03 | 1.77 | 0.01 | 1.73 | -2.89†| 0.82†‡ | (0.44 to 2.08) |
| Â | (95% CI) | (-0.12 to 0.05) | (-1.14 to 4.69) | (-0.13 to 0.15) | (-2.49 to 5.95) | (1.16-1.59) | (0.27-1.36) | Â |
Exposed | N | 80 | 79 | 70 | 70 | 61 | 38 | t test, P = 0.003 |
|  | Mean | 0.01 | 2.57 | 0.04 | 2.91 | -3.60†| -0.44 | ANOVA, P = 0.001 |
| Â | (95% CI) | (-0.06 to 0.08) | (-0.17 to 5.31) | (-0.09 to 0.17) | (-1.00 to 6.82) | (1.14-1.85) | (-1.07 to 0.19) | Â |