Gender | Breezhaler® | Ellipta® | HandiHaler® | |
---|---|---|---|---|
R (cmH2O0.5[L/min]−1)a | 0.060 | 0.090 | 0.163 | |
Male | n | 72 | 68 | 72 |
PIF (L/min) | 111 ± 24 | 81 ± 16 | 51 ± 9 | |
Range (Min-Max) | 54–156 | 45–109 | 22–70 | |
Pressure drop at PIF (cmH2O) | 47 ± 19 | 54 ± 20 | 71 ± 23 | |
ΔPIF vs Breezhaler® (L/min); 95% CI | – | 30; 28 to 34 | 60; 57 to 65 | |
P-value | – | < 0.0001 | < 0.0001 | |
Female | n | 25 | 23 | 25 |
PIF (L/min) | 98 ± 15 | 71 ± 11 | 45 ± 8 | |
Range (Min-Max) | 71–121 | 49–89 | 32–57 | |
Pressure drop at PIF (cmH2O) | 36 ± 11 | 41 ± 12 | 56 ± 20 | |
ΔPIF vs Breezhaler® (L/min); 95% CI | – | 27; 23 to 31 | 53; 49 to 57 | |
P-value | – | < 0.0001 | < 0.0001 |