Table 1.

Dice's coefficients of similarity between manually and automatically segmented lung images

	Rat 1	Rat 2	Rat 3	Rat 4	Rat 5	Rat 6	Rat 7	Rat 8	Means ± SD
Saline lavage 1
End of inspiration	0.983	0.982	0.983	0.983	0.983	0.982	0.980	0.978	0.982 ± 0.002
End of expiration	0.977	0.978	0.978	0.979	0.982	0.979	0.979	0.973	0.978 ± 0.002
Saline lavage 2
End of inspiration	0.945	0.953	0.982	0.980	0.981	0.975	0.955	0.955	0.966 ± 0.015
End of expiration	0.914	0.928	0.976	0.973	0.981	0.966	0.966	0.949	0.956 ± 0.024
Saline lavage 3
End of inspiration	0.930	0.935	0.950	0.968	0.951	0.951	0.931	0.932	0.944 ± 0.014
End of expiration	0.930	0.856	0.925	0.890	0.926	0.929	0.891	0.911	0.907 ± 0.027

Coefficients were calculated for each set of images obtained after the first saline lavage, at end inspiration and end expiration.