Impaired mRNA Expression of the Migration Related Chemokine Receptor CXCR4 in Mesenchymal Stem Cells of COPD Patients

Table 2

Patient’s demographic data.

	COPD patients ()	Controls ()	value
Age (years)	65.5 (55.3–72)	58 (33–63)	NS
Gender (m/f)	11/1	6/1	NS
BMI	30.1 (259–31.8)	27.8 (25.5–31.1)	NS
Smoking status (c/ex)	7/5	6/1	NS
PY	53 (40–78.8)	30 (12–80)	NS
COPD Gold stage
Stage 1	2
Stage 2	4
Stage 3	5
Stage 4	1

Values are expressed as median (interquartile range) or frequencies; value < 0.05 as statistically significant; m/f = male/female; BMI = Body Mass Index; c/ex = current/ex-smokers; PY = pack years.