Figure 5. Specific airway conductance before and after inhalation of ipratropium bromide in subjects with tetraplegia. TETRA = tetraplegia; PARA = paraplegia; BL = baseline; IB = ipratropium bromide. A significant group difference was observed for BL specific airway conductance TETRA vs PARA and controls; *P < .05. BL vs after IB administration; ^‡P < .05. The figure was drawn from data presented in Schilero GJ, et al. Chest 2005;127:149-155.