Step 3/4
| LABA (n=145) | No LABA (n=41) | P-value | |
| Age yrs | 43 (41-45) | 44 (40-49) | ns |
| Sex M:F | 52:93 | 20:21 | |
| ICS dose ug/day | 1076 (976-1175) | 1568 (1388-1749) | <0.0001 |
| FEV1% | 83.8 (80.3-87.2) | 87.4 (81.0-93.7) | ns |
| FEF25-75% | 56.2 (52.0-60.4) | 58.0 (49.7-66.2) | ns |
| R5% | 137 (128-147) | 129 (113-148) | ns |
| FeNO ppb | 21.7 (19.1-24.7) | 24.0 (19.1-30.2) | ns |
Mean (95%CI)