TABLE II.

Overlap statistics computed from final lung segmentations. Note that * indicates p-values that were statistically significant.

Set	Statistics	${\Omega }_{\mathrm{M1}}^{\mathrm{OSF}}$	${\Omega }_{\mathrm{M2}}^{\mathrm{OSF}}$	Overlap reduction (%)	p-value of paired t-test
Snormal	First quartile	139	0	100	3.34 × 10−4*
	Median	8 678	0	100
	Third quartile	25 259	11	99.96
	Mean	16 321	44	99.73
Sasthma	First quartile	655	0	100	2.21 × 10−4*
	Median	9 028	4	99.96
	Third quartile	31 379	229	99.27
	Mean	26 214	994	96.21
SCOPD	First quartile	102	0	100	1.58 × 10−5*
	Median	3 083	2	99.94
	Third quartile	48 388	155	99.68
	Mean	45 293	1393	96.93
ALL	First quartile	204	0	100	1.65 × 10−9*
	Median	4 893	2	99.96
	3rd Quartile	32 934	73	99.78
	Mean	32 525	932	97.13