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. 2009 Feb 17;21(8–11):712–718. doi: 10.1080/08958370802353443

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.