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Table 1.

Smoking topography for regular-yield cigarettes (n = 58)

Puff numberPuff duration (s)Interpuff interval (s)Mean flow rate (mL/s)Puff volume (mL)Total smoke intake (mL)
Trial 1 (SD) 11.3 (3.4) 1.5 (0.2) 33.5 (17.6) 38.1 (5.6) 54.2 (10.3) 612.0 (195.7) 
Trial 2 (SD) 11.1 (3.3) 1.4 (0.3) 35.6 (18.4) 37.9 (6.1) 52.3 (12.4) 580.5 (206.9) 
Correlation (P level) 0.91 (<0.001) 0.82 (<0.001) 0.96 (<0.001) 0.85 (<0.001) 0.86 (<0.001) 0.87 (<0.001) 
Puff numberPuff duration (s)Interpuff interval (s)Mean flow rate (mL/s)Puff volume (mL)Total smoke intake (mL)
Trial 1 (SD) 11.3 (3.4) 1.5 (0.2) 33.5 (17.6) 38.1 (5.6) 54.2 (10.3) 612.0 (195.7) 
Trial 2 (SD) 11.1 (3.3) 1.4 (0.3) 35.6 (18.4) 37.9 (6.1) 52.3 (12.4) 580.5 (206.9) 
Correlation (P level) 0.91 (<0.001) 0.82 (<0.001) 0.96 (<0.001) 0.85 (<0.001) 0.86 (<0.001) 0.87 (<0.001) 
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