Mean vessel, growth factor and receptor staining levels per mm2 at baseline
| Placebo | ICS | Significance | |
|---|---|---|---|
| ICS, inhaled corticosteroid; VEGF, vascular endothelial growth factor; VEGFR1, VEGFR2, vascular endothelial growth factor receptors 1 and 2; An1, angiopoietin-1. | |||
| There were no significant differences between the two groups. | |||
| Vessels | 374 (29) | 466 (37) | NS |
| VEGF | 565 (76) | 564 (81) | NS |
| VEGFR1 | 361 (29) | 324 (19) | NS |
| VEGFR2 | 514 (114) | 443 (44) | NS |
| Ang1 | 471(49) | 532(42) | NS |