Table 1. Patient characteristics in the... | Rockefeller University Press

Table 1.

Patient characteristics in the histological analysis

Characteristic	Control never-smokers	Control ex-smokers	COPD ex-smokers
Subjects (n)	8	10	11
Men/women	0/8	8/2^{^a}	8/3^{^a}
Age (yr)	71.1 ± 6.6	69.0 ± 10.2	70.1 ± 7.7
Smoking (pack/yr)	0.0 ± 0.0	37.5 ± 27.2^{^a}	53.2 ± 33.1^{^b}
FVC (% of predicted)	106.1 ± 15.6	105.0 ± 11.7	106.0 ± 13.4
FEV₁ (% of predicted)	108.4 ± 16.0	114.1 ± 20.2	75.5 ± 14.9^{^a}^,^{^c}
FEV₁/FVC (%)	78.3 ± 7.0	81.1 ± 8.0	55.7 ± 10.2^{^a}^,^{^c}
GOLD (I/II/III/IV)			4/7/0/0

Characteristic	Control never-smokers	Control ex-smokers	COPD ex-smokers
Subjects (n)	8	10	11
Men/women	0/8	8/2^{^a}	8/3^{^a}
Age (yr)	71.1 ± 6.6	69.0 ± 10.2	70.1 ± 7.7
Smoking (pack/yr)	0.0 ± 0.0	37.5 ± 27.2^{^a}	53.2 ± 33.1^{^b}
FVC (% of predicted)	106.1 ± 15.6	105.0 ± 11.7	106.0 ± 13.4
FEV₁ (% of predicted)	108.4 ± 16.0	114.1 ± 20.2	75.5 ± 14.9^{^a}^,^{^c}
FEV₁/FVC (%)	78.3 ± 7.0	81.1 ± 8.0	55.7 ± 10.2^{^a}^,^{^c}
GOLD (I/II/III/IV)			4/7/0/0

Data are presented as mean ± SD. FVC, forced vital capacity; FEV₁, forced expiratory volume in 1 s; GOLD, Global Initiative for Chronic Obstructive Lung Disease.

P < 0.01.

P < 0.001 vs. control never-smokers.

P < 0.001 vs. control ex-smokers.

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