Table 2.

Postprandial gallbladder volumes after smoking in smokers and non-smokers (mean ± SD, mL)

t/min	Control			After smoking
	Non smoker	Smoker	P	Non smoker	Smoker	P
0	23.3 ± 3.3	18.3 ± 3.0	0.360	21.9 ± 3.0	19.5 ± 2.8	0.604
5	16.5 ± 2.9	12.9 ± 2.1	0.392	18.0 ± 2.8	16.9 ± 2.5	0.783
15	11.7 ± 2.5	10.0 ± 1.5	0.623	13.7 ± 2.6	14.1 ± 1.6	0.883
30	10.5 ± 1.9	9.5 ± 1.6	0.732	12.4 ± 2.1	12.8 ± 1.7	0.883
60	13.1 ± 2.4	10.9 ± 1.5	0.513	12.3 ± 2.0	12.0 ± 1.6	0.909
120	14.2 ± 2.5	13.3 ± 2.9	0.839	13.5 ± 1.8	11.3 ± 1.5	0.318
180	15.9 ± 2.5	14.1 ± 2.9	0.701	15.5 ± 1.9	12.6 ± 1.7	0.295