Table 1.

Categorical Analysis of COPD Patients

	COPD Patients (n=32) Mean ± SD
Age (years)	60.0 ± 10.5
	n (%)
Smoking History  Smoker  Former Smoker  Non Smoker	13 (40.1) 9 (28.1) 10(31.3)
Gender  Male  Female	26 (81.3) 6 (18.7)
Presence of ultra-short telomeres in leukocytes	3 (9.3)
Presence of ultra-short telomeres in BAL	26 (81.3)
COPD Grade  Grade 1–2  Grade 3–4	15 (46.9) 17 (53,1)

Note: Ultra-short telomeres were present in 26 BAL samples and in contrast to 3 leukocyte samples.