The Reliability of a Novel Structured Testing Device for Single-breath Lung Carbon Monoxide Uptake: A Randomized Comparison Crossover Study

Table 4 The degree of pulmonary dispersion dysfunction in meair and masterscreen of interstitial lung disease and COPD lung disease and health

Variables (rank of D_LCO %pred)	ILD		COPD		Health
Variables (rank of D_LCO %pred)	MasterScreen	MeAir	MasterScreen	MeAir	MasterScreen	MeAir
Normal	19.4% (13/67)	17.9% (12/67)	22.7% (15/66)	24.2% (16/66)	85.2% (23/27)	81.48% (22/27)
Mild	32.8% (22/67)	34.3% (23/67)	36.4% (24/66)	33.3% (22/66)	14.8% (4/27)	18.5% (5/27)
Moderate	35.8% (24/67)	35.8% (24/67)	30.3% (20/66)	33.3% (22/66)	0	0
Severe	11.9% (8/67)	11.9% (8/67)	10.6% (77/66)	9.1% (6/66)	0	0

Rank of D_LCO %pred: Normal (D_LCO %pred ≥ 80%), Mild (80% > D_LCO %pred ≥ 60%), Moderate (60% > D_LCO %pred ≥ 40%), and Severe (40% > D_LCO %pred)

ISSN: 1471-2466