Table 2 Comparison of computed tomography morphological features of lesions between groups

Location*

 The upper lobe

25 (62.50%)

20 (64.52%)

0.861 ^c

 Right upper lobe

11

14

 Left upper lobe

14

6

 The middle and lower lobes

15 (37.50%)

11(35.48%)

 Right middle lobe

2

1

 Right lower lobe

7

8

 Left lower lobe

6

2

Longest diameter of lesions (cm)

 Mean ± standard deviation

4.94 ± 0.88

4.72 ± 0.80

0.281 ^a

 Range

3.10–6.90

3.20–6.50

Longest diameter of necrotic foci (cm)

 Median ± interquartile range

2.85 ± 1.10

2.80 ± 1.10

0.280 ^b

 Range

2.10–5.20

2.00–4.30

Shape

 Round or oval

24 (60.00%)

18 (58.06%)

0.869 ^c

 Irregular

16 (40.00%)

13 (41.94%)

Margin

 Well-defined

28 (70.00%)

17 (54.84%)

0.188 ^c

 Ill-defined (partially or completely)

12 (30.00%)

14 (45.16%)

Consolidation or ground-glass opacity around the lesion

17 (42.50%)

18 (58.06%)

0.193 ^c