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Table 1 Mean values for spirometric and Diskus TM PIFR or IVC according to patient disease group

From: Investigating the relationship between peak inspiratory flow rate and volume of inhalation from a Diskus™ Inhaler and baseline spirometric parameters: a cross-sectional study

  Diskus™ PIFR Spirometric PIFR Diskus™ IVC Spirometric IVC
Healthy/ Non-respiratory condition 64.57 ± 25.12 247.87 ± 104.35 2.69 ± 1.24 3.37 ± 1.16
(20–97) (59–456) (0.27-4.92) (1.02-5.42)
Asthma 61.56 ± 22.15 209.41 ± 83.26 1.94 ± 0.70 2.42 ± 0.73
(17–102) (59–415) (0.60-3.37) (1.17-3.78)
COPD 49.37 ± 15.68 143.46 ± 62.98 1.86 ± 0.80 2.13 ± 0.79
(22–83) (55–275) (0.36-3.34) (0.71-3.59)
Neuromuscular disease 41.83 ± 24.03 97.53 ± 33.54 1.24 ± 1.13 1.46 ± 1.19
  (10–88) (55–153) (0.33-3.87) (0.42-4.13)