Forced expiratory volume in one second at both study periods for subjects who were sero-positive (precipitins +) or sero-negative (precipitins −) for farmer's lung antigens in 1982 or had a lymphocytic alveolitis in their 1982 bronchoalveolar lavage (lymphocytes +) or not (lymphocytes −)
| Precipitins | Lymphocytes | ||||||
| + | − | + | − | ||||
| 1982 | 2002 | 1982 | 2002 | 1982 | 2002 | 1982 | 2002 |
| 3.80 | 3.15 | 4.30 | 3.43 | 3.62 | 2.99 | 3.80 | 3.15 |
| 4.47 | 3.76 | 3.83 | 3.28 | 3.64 | 3.90 | 4.30 | 3.43 |
| 3.31 | 2.45 | 3.62 | 2.99 | 4.67 | 4.07 | 3.83 | 3.28 |
| 3.52 | 2.51 | 4.00 | 3.47 | 3.31 | 2.45 | 4.00 | 3.47 |
| 3.40 | 2.70 | 3.71 | 3.50 | 3.52 | 2.51 | 3.71 | 3.50 |
| 3.57 | 3.10 | 3.64 | 3.90 | 3.40 | 2.70 | 3.62 | 2.98 |
| 4.00 | 2.96 | 3.62 | 2.98 | 3.57 | 3.10 | 4.47 | 3.76 |
| 3.94 | 3.17 | 4.67 | 4.07 | 4.94 | 4.51 | 3.85 | 3.27 |
| 3.72 | 3.16 | 3.85 | 3.27 | 2.35 | 2.27 | 5.01 | 3.70 |
| 4.33 | 3.31 | 5.01 | 3.70 | 4.33 | 3.31 | 2.62 | 2.27 |
| 2.62 | 2.27 | 4.00 | 2.96 | ||||
| 4.18 | 3.57 | 4.18 | 3.57 | ||||
| 2.20 | 1.98 | 2.20 | 1.98 | ||||
| 4.94 | 4.51 | 3.94 | 3.17 | ||||
| 2.35 | 2.27 | 3.72 | 3.16 | ||||
| 3.81±0.38 | 3.03±0.39 | 3.77±0.85 | 3.28±0.70 | 3.74±0.74 | 3.18±0.76 | 3.82±0.68 | 3.18±0.49 |
Data are presented as individual data or mean±sd