. 2007 Sep 15;65(2):244–252. doi: 10.1111/j.1365-2125.2007.03013.x

Table 1.

Patient demographics and baseline lung function [data are ^*mean (SD) or ^†median (range)]

Number of patients	32
Sex M/F	22/10
Age (years)	60.7 (8.14)^*
Smokers (current/ex)	13/19
Pack years	43.0 (22.4)^*
Number on inhaled corticosteroids	17
Pre-bronchodilator FEV₁ (l)	1.60 (0.36)^*
Pre-bronchodilator FEV₁ (% predicted)	54.1 (9.3)^*
FEV₁ reversibility after 80 µg ipratropium bromide (%)	18.0 (8.94)^*
FVC (l)	3.05 (0.65)^*
MMEF (l s⁻¹)	0.70 (0.27)^*
FEV₁/FVC	0.53 (0.08)^*
sGaw (kPa s⁻¹)	0.48 (0.23–1.01)^†
Raw (kPa l⁻¹ s⁻¹)	0.45 (0.27–0.75)^†
RV (l)	3.77 (1.06)^*
RV (% predicted)	167.6 (44.2)^*
IC (l)	2.48 (0.55)^*
FRC (l)	4.17 (2.20–7.22)^†
TLC (l)	7.07 (4.28–9.63)^†
TLC (% predicted)	109.4 (18.8)^*
R5 (kPa l⁻¹ s⁻¹)	0.67 (0.23)^*
R20 (kPa l⁻¹ s⁻¹)	0.41 (0.10)^*
X5 (kPa l⁻¹ s⁻¹)	−0.33 (0.19)^*
RF (Hz)	26.10 (7.23)^*

FEV ₁, Forced expiratory volume in 1 s; FVC, forced vital capacity; MMEF, maximum mid-expiratory flow; sGaw, specific airway conductance; Raw; RV, residual volume; IC, inspiratory capacity; FRC, functional residual capacity; TLC, total lung capacity; R, resistance; X, reactance; RF, resonant frequency.