Do Face-to-Face Training and Telephonic Reminder Improve Dry Powder Inhaler Technique in Patients with COPD?

Table 2

Effect of FFTTR on correct use of Rotahaler technique ().

Assessment of Rotahaler technique	Median (IQR)	value
Before intervention	6 (5-6)	<0.001
After FFTTR	8 (8-8)

Wilcoxon Signed Rank test.