TABLE 5.

Comparison of individual patient diagnoses given by the pulmonologists from the validation asthma/COPD service and diagnoses predicted with the decision tree

Diagnosis by validation pulmonologist	Diagnosis predicted by decision tree				Total	Correct
	ACOS	COPD	Asthma	Other#
ACOS	59	151	35	2	247 (7.9)	59 (23.9)
COPD	53	459	37	6	555 (17.7)	459 (82.7)
Asthma	42	32	533	78	685 (21.8)	533 (77.8)
Probable asthma	11	7	580	238	836 (26.6)	580 (69.4)
Other#	10	59	336	413	818 (26.0)	413 (50.5)
Total	175	708	1521	737	3141 (100.0)	2044 (65.1)

Data are presented as n or n (%). ACOS: asthma–COPD overlap syndrome; COPD: chronic obstructive pulmonary disease. ^#: “diagnosis unclear”, “indication of restriction” or “no disease”. Bold indicates diagnoses that were correctly predicted.