Research Article

[Retracted] Integrative Nomogram of Computed Tomography Radiomics, Clinical, and Tumor Immune Features for Analysis of Disease-Free Survival of NSCLC Patients with Surgery

Table 1

Patient demographics in the study.

CharacteristicAllSurvival groupDeath groupP value

No. of patients14690 (61.6%)56 (38.4%)
Age60.24 ± 8.63759.733 ± 8.75161.054 ± 8.4650.371a
Sex0.076b
 Male83 (56.8%)46 (51.1%)37 (66.1%)
 Female63 (43.2%)44 (48.9%)19 (33.9%)
Family history of cancer35 (24.0%)23 (25.6%)12 (21.4%)0.0057b
Smoking quantity (cigarette)0.007∗d
 <1w72 (49.3%)50 (55.6%)22 (39.3%)
 1w–20w18 (12.3%)9 (10.0%)9 (16.1%)
 20w–50w48 (32.9%)24 (26.7%)24 (42.9%)
 >50w8 (5.5%)7 (7.8%)1 (1.8%)
Tumor immune contexture
PD-L10.418d
 −106 (72.6%)69 (76.7%)37 (66.1%)
 +16 (11.0%)9 (10.0%)7 (12.5%)
 ++15 (10.3%)8 (8.9%)7 (12.5%)
 +++9 (6.2%)4 (4.4%)5 (8.9%)
CD80.346d
 −84 (57.5%)51 (56.7%)33 (58.9%)
 +43 (29.5%)29 (32.2%)14 (25.0%)
 ++18 (12.3%)9 (10.0%)9 (16.1%)
 +++1 (0.7%)1 (1.1%)0 (0.0%)
CD30.734d
 −21 (14.4%)15 (16.7%)6 (10.7%)
 +27 (18.5%)16 (17.8%)11 (19.6%)
 ++67 (45.9%)41 (45.6%)26 (46.4%)
 +++31 (21.2%)18 (20.0%)13 (23.2%)
CD40.440d
 −58 (39.7%)36 (40.0%)22 (39.3%)
 +39 (26.7%)21 (23.3%)18 (32.1%)
 ++45 (30.8%)31 (34.4%)14 (25.0%)
 +++4 (2.7%)2 (2.2%)2 (3.6%)
Immunophenotyping0.0315d
 Type I27 (18.5%)14 (15.6%)13 (23.2%)
 Type II71 (48.6%)44 (48.9%)27 (48.2%)
 Type III35 (17.9%)25 (27.8%)10 (17.9%)
 Type IV13 (8.9%)7 (7.8%)6 (10.7%)
Histologic structure0.452c
 Squamous cell carcinoma41 (28.1%)22 (24.4%)19 (33.9%)
 Adenocarcinoma100 (68.5%)65 (72.2%)35 (62.5%)
 Other NSCLC5 (3.4%)3 (3.3%)2 (3.6%)
T stage0.002d
 T192 (63.0%)67 (74.4%)25 (44.6%)
 T244 (30.1%)17 (18.9%)27 (48.2%)
 T35 (3.4%)3 (3.3%)2 (3.6%)
 T45 (3.4%)3 (3.3%)2 (3.6%)
N status0.0094d
 IA68 (46.6%)55 (61.1%)13 (23.2%)
 IB11 (7.5%)4 (4.4%)7 (12.5%)
 IIA6 (4.1%)3 (3.3%)3 (5.4%)
 IIB34 (23.3%)19 (21.1%)15 (26.8%)
 IIIA25 (17.1%)9 (10.0%)16 (28.6%)
 IIIB2 (1.4%)0 (0.0%)2 (3.6%)
Microvascular invasion37 (25.3%)17 (18.9%)20 (35.7%)0.023∗b
Perineural invasion11 (7.5%)5 (5.6%)6 (10.7%)0.409b
Segment resection residue5 (3.4%)4 (4.4%)1 (1.8%)0.696c
Visceral pleural invasion36 (24.7%)21 (23.3%)15 (26.8%)0.638b
Bronchial invasion18 (12.3%)9 (10.0%)9 (16.1%)0.278b
Surgical method0.738c
 Lunglobectomy112 (76.7%)71 (78.9%)41 (73.2%)
 Pneumonectomy7 (4.8%)3 (3.3%)4 (7.1%)
 Pulmonary wedge resection15 (10.3%)9 (10.0%)6 (10.7%)
 Pulmonary sleeve lobectomy
CT features
 Spicule sign102 (69.9%)58 (64.4%)44 (78.6%)0.070b
 Lobulation sign132 (90.4%)82 (91.1%)50 (89.3%)0.716b
 Spinous protuberant sign26 (17.8%)14 (15.6%)12 (21.4%)0.367b
 Vascular-bronchial convergent sign28 (19.2%)15 (16.7%)13 (23.2%)0.329b
 Pleural indentation sign91 (62.3%)55 (61.1%)36 (64.3%)0.700b
 Pure ground-glass opacity12 (8.2%)12 (13.3%)0 (0%)0.011c
 Solid opacity110 (75.3%)58 (64.4%)52 (92.9%)0.000b
 Part-solid ground-glass27 (18.5%)23 (25.6%)4 (7.1%)0.005c
 Cavitation10 (6.8%)3 (3.3%)7 (12.5%)0.073c
 Vacuole sign23 (15.8%)18 (20.0%)5 (8.9%)0.074b
 Necrosis1 (0.7%)0 (0.0%)1 (1.8%)0.810c
 Calcification12 (8.2%)6 (6.7%)6 (10.7%)0.578b

aIndependent samples t-test, bchi-square test, ccorrected chi-square test, and dMann–Whitney U test.