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Insights into Imaging

Table 2 Comparison of clinical characteristics among absorbable benign, nonabsorbable benign and malignant subsolid nodules

From: Clinical and non-contrast computed tomography characteristics and disease development in patients with benign pulmonary subsolid nodules with a solid component ≤ 5 mm

Characteristics

AB-SSNs (n = 69)

NB-SSNs (n = 70)

M-SSNs (n = 297)

p1*

p2*

p3*

Sex

   

0.662 a

0.230 a

0.075 a

 Male

29 (42.03%)

32 (45.71%)

102 (34.34%)

   

 Female

40 (57.97%)

38 (54.29%)

195 (65.66%)

   

Age (years)

   

0.055 b

0.004 c

0.879 c

 Average

49 ± 14

53 ± 11

54 ± 14

   

 Range

25–81

16–76

25–82

   

Smoking history

   

0.810 a

0.065 a

0.096 a

 Smoker

21 (30.43%)

20 (28.57%)

60 (20.20%)

   

 Nonsmoker

48 (69.57%)

50 (71.43%)

237 (79.80%)

   

Respiratory symptoms

   

0.662 a

0.012 a

0.056 a

 Presence

19 (27.54%)

17 (24.29%)

44 (14.81%)

   

 Absence

50 (72.46%)

53 (75.71%)

253 (85.19%)

   

Detected time

   

0.008 a

 < 0.001 a

 < 0.001 a

 Initial CT

50 (72.46%)

63 (90%)

297 (100%)

   

 Follow-up CT

19 (27.54%)

7 (10%)

0 (0%)

   
  1. AB-SSNs Absorbable benign subsolid nodules, NB-SSNs Nonabsorbable benign subsolid nodules, M-SSNs Malignant subsolid nodules, CT Computed tomography
  2. *Bonferroni correction in which p < 0.017 is significant. p1: the p-value of AB-SSNs vs. NB-SSNs; p2: the p-value of AB-SSNs vs. M-SSNs; p3: the p-value of NB-SSNs vs. M-SSNs
  3. aChi-squared test
  4. bTwo independent-sample Student’s t-tests
  5. cMann–Whitney U test
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