Table 2.
Bronchoalveolar lavage fluid findings from nonsmokers and smokers
| AHR − NS (n=10) | AHR − S (n=13) | AHR + S (n=8) | |
|---|---|---|---|
| Total number of cells, 104 | 508.0±43.6 | 2,125.4±104.6*** | 1,179.8±74.3# |
| Recovered volume (mL) | 62.4±3.1 | 57.4±2.4 | 56.3±3.6 |
| Cellularity, 104 cells/mL | 8.2±0.7 | 37.0±0.7*** | 21.0±0.3# |
| Cell viability (%) | 92.7±0.5 | 92.5±0.9 | 92.3±2.4 |
| AM (%) | 96.1±1.0 | 98.5±2.5 | 82.8±1.5#### |
| 104 cells/mL | 7.9±0.62 | 36.4±0.9*** | 17.4±0.4# |
| Lymphocytes (%) | 2.6±1.0 | 0.7±0.1 | 0.6±0.1 |
| 104 cells/mL | 0.2±0.1 | 0.3±0.1 | 0.11±0.1 |
| Neutrophils (%) | 1.0±0.3 | 0.7±0.1 | 15.5±5.6**,### |
| 104 cells/mL | 0.1±0.0 | 0.3±0.1 | 3.3±1.2***,## |
Notes: Data are presented as mean ± standard error. AHR − NS, nonsmokers without AHR; AHR − S, smokers without AHR; AHR + S, smokers with AHR.
**
P<0.01 versus AHR − NS.
***
P<0.0001 versus AHR − NS.
#
P<0.05 versus AHR − NS.
##
P<0.01 versus AHR − NS.
###
P<0.001 versus AHR − NS.
####
P<0.0001 versus AHR − NS.
Abbreviations: AHR, airway hyperresponsiveness; AM, alveolar macrophage.