Table 3.
Mean (SD) post-puff respiratory measures by tar band and for all subjects combined.
ANOVA p-value | ULL | ULH | LTS | FF | All | |
---|---|---|---|---|---|---|
Volume (mL) | ||||||
Inhalation | 0.09 | 778 (240)a,b | 731 (290)a | 936 (280)b | 876 (270)b | 833 (279) |
Exhalation | 0.20 | 841 (259)cd | 799 (200)c | 976 (419)cd | 960 (285)d | 897 (308) |
Resting tidal volume | 0.15 | 443 (121) | 482 (132) | 555 (192) | 509 (115) | 500 (148) |
Tidal ratio | a | a | a | a | ||
Inhalation | 0.51 | 1.84 (0.67) | 1.56 (0.52) | 1.78 (0.65) | 1.75 (0.50) | 1.73 (0.58) |
Exhalation | 0.65 | 1.97 (0.59) | 1.75 (0.49) | 1.82 (0.68) | 1.94 (0.54) | 1.86 (0.58) |
Time (sec) | a | a | a | a | ||
Inhalation | 0.80 | 2.04 (1.92) | 1.77 (0.81) | 1.66 (0.77) | 1.87 (1.07) | 1.82 (1.16) |
Exhalation | 0.35 | 2.27 (0.98) | 2.00 (0.52) | 2.47 (1.04) | 2.40 (0.85) | 2.28 (0.87) |
Total lung exposure | 0.73 | 4.31 (2.22) | 3.77 (0.95) | 4.11 (1.44) | 4.27 (1.76) | 4.10 (1.59) |
Other data | ||||||
Puffs taken | 0.09 | 12.0 (3.0) | 13.0 (3.1) | 11.9 (2.7) | 10.6 (3.0) | 11.9 (3.0) |
ANOVA p-values are for effect of tar band. Measures with the same letter are not significantly different at the 95% confidence interval using Duncan's multiple range test.