Table 2. Bronchial symptoms and spirometry.
| Rural n= 80 (59.7 %) | Urban n= 186 (75 %) | p | |
|---|---|---|---|
| Days with Salbutamol per month: baseline/12months | 4.8/2.4 (-50) | 6.3/4.5 (-28.5) | 0.01 |
| Days in Emergency department: baseline/12months | 1.4/0.4 (-71.4) | 1.8/0.8 (-55.6) | <0.01 |
| Baseline FEV1 (% predicted) | 87+14 | 84+17 | >0.10 |
| Baseline FEV1<80% no. (%) | 8 (10.0) | 26 (13.9) | 0.05 |
| Baseline FEV1/FVC ratio | 86.0 + 13.4 | 81.0 + 10.4 | >0.10 |
| 1 year FEV1 (% predicted) | 91.0 + 14.0 | 86.4+15.0 | 0.07 |
| 1 year FEV1<80% no. (%) | 2.0 (2.5) | 20.0 (10.7) | 0.05 |
| 1 year FEV1/FVC ratio | 88.0 + 13.4 | 85.0 + 10.4 | >0.10 |
Spirometry was done at the beginning and after 12 months. Salbutamol and emergency department frequency was obtained in the first and the last medical visit.
The percentages are presented in parentheses