Variables | Nonsmokers | Smokers-GOLD0 | GOLD1–2 | GOLD3–4 |
Jaw,NO pL·s−1 | 716.2±141.7#, ¶ | 464.7±229.1+ | 630.3±417.7 | 609.4±275.0 |
712.5 (645.8–786.7) | 385.6 (379–550) | 442.9 (422.5–838) | 555.5 (457.1–761.7) | |
Calv,NO ppb | 1.4±0.4#, §, ƒ | 2.1±0.7§, ƒ | 3.3±0.7 | 3.4±0.6 |
1.3 (1.2–1.5) | 2.0 (1.8–2.4) | 3.2 (2.8–3.6) | 3.5 (3.0–3.7) | |
Daw,NO pL·ppb−1s−1 | 11.0±2.5##, + | 11.6±3.2##, ¶ | 15.7±5.1 | 15.0±5.0 |
11.4 (9.8–12.3) | 11.2 (10.4–12.8) | 14.5 (13.1–18.2) | 14.2 (12.2–17.2) |
Data are presented as mean±sd and median (95% confidence intervals). GOLD: Global Initiative for Chronic Obstructive Lung Disease. #: p<0.0001 versus smokers with GOLD stage 0; ¶: p<0.05 versus smokers with GOLD stage 0; +: p<0.05 versus patients with GOLD stage 3–4; §: p<0.0001 versus patients with GOLD stage 1–2; ƒ: p<0.0001 versus patients with GOLD stage 3–4; ##: p<0.05 versus patients with GOLD stage 1–2.