Patient characteristics of the 14 patients who completed the randomised controlled crossover trial of fan therapy versus no fan therapy during 6-min walk test

Age (years)66.50 (60.75–73.50)
BMI (kg·m−2)25.85 (20.60–30.25)
Smoking status
 Current smoker6
Smoking (pack-years)48.00 (25.75–82.60)
mMRC dyspnoea score3.00 (2.00–3.00)
FEV1 (L)1.30 (0.94–1.59)
FEV1 (%)63.00 (38.75–74.0)
FVC (L)2.30 (1.90–2.75)
FVC (%)82.00 (71.00–93.25)
FEV1/FVC ratio56.75 (47.43–63.50)
CAT score21.00 (12.25–29.75)

Data are presented as median (interquartile range) or n. BMI: body mass index; mMRC: modified Medical Research Council; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; CAT: COPD Assessment Test.