Abstract P150 Table 1

Re-admission rates in illicit drug and combined (ex/current) tobacco smokers assessed by FEV₁

Spirometry	Illicit drug smokers (n = 35)			Tobacco smokers (n = 216)			χ²	p value
Spirometry
No.	Readmissions	Mean	No	Readmissions	Mean		χ²	p value

FEV₁ < 1 L	16	41	2.56	105	63	0.6	19.66	0.0001
FEV₁ > 1 L	19	19	0.894	111	60	0.504	1.399	0.236