Change from baseline in objective lower airway measurements at 12 months in chronic rhinosinusitis patients
| Surgical group % | Medical group % | p-value# | |
| eNO | |||
| Total | 20.05±33.32 (21) | 36.89±18.07 (17) | >0.05 |
| No polyposis | 28.97±34.80 (9) | 32.30±20.50 (9) | >0.05 |
| Polyposis | 13.36±31.99 (12) | 42.06±14.44 (8) | <0.05 |
| FEV1 % pred | |||
| Total | 3.95±7.87 (21) | 5.88±4.05 (17) | >0.05¶ |
| No polyposis | 6.77±10.13 (9) | 5.10±3.72 (9) | >0.05¶ |
| Polyposis | 1.83±5.15 (12) | 6.76±4.47 (8) | <0.05 |
| PEF | |||
| Total | 4.14±12.30 (21) | 7.59±12.00 (17) | >0.05¶ |
| No polyposis | 8.39±15.95 (9) | 8.87±14.88 (9) | >0.05¶ |
| Polyposis | 0.96±8.04 (12) | 6.16±8.49 (8) | >0.05 |
Data are presented as mean±sd (n). eNO: exhaled nitric oxide; FEV1: forced expiratory volume in one second; % pred: percentage of the predicted value; PEF: peak expiratory flow. #: two-sample test; ¶: Mann–Whitney test.