Table 3.

Lesion distribution in chest CT.

Distribution characteristics	Positive group	Negative group	P
	n = 54	n = 76
Bilateral pulmonary distribution	40(74.1%)	30(40.8%)	<0.01
Bilateral lower pulmonary distribution	32(59.3%)	19(25.0%)	<0.01
Peripleural distribution	33(61.1%)	21(27.6%)	<0.01
Distribution of lung lobes
Right upper lobe	26(48.1%)	27(35.5%)	0.15
Right middle lobe	22(40.7%)	23(30.3%)	0.22
Right lower lobe	43(79.6%)	35(46.1%)	<0.01
Left upper lobe	28(51.9%)	31(40.8%)	0.21
Left lower lobe	40(74.1%)	37(48.7%)	<0.01
Number of affected lobes			<0.01
Patients of 1 affected lobe	9(16.7%)	37(48.7%)
Patients of 2 affected lobes	18(33.3%)	15(19.7%)
Patients of 3 affected lobes	7(13.0%)	13(17.1%)
Patients of 4 affected lobes	7(13.0%)	1(1.3%)
Patients of 5 affected lobes	13(24.1%)	10(13.2%)
Patients of >2 affected lobes	45(83.3%)	39(51.3%)	<0.01