Guideline-Based Early Detection of Chronic Obstructive Pulmonary Disease in Eight Danish Municipalities: The TOP-KOM Study

Table 2

Medical Research Council (MRC) average score in estimated severity in groups of COPD (,499).

Estimated severity of COPD	Mean	SD
No obstruction	1.47	0.68
Mild COPD	1.39	0.66
Moderate COPD	1.76	0.84
Severe COPD	2.25	1.09
Very severe COPD	3.00	1.35

Chi-square 88.8; .