Research Article
Preoperative Body Composition Combined with Tumor Metabolism Analysis by PET/CT Is Associated with Disease-Free Survival in Patients with NSCLC
Table 1
Baseline characteristics of patients.
| | Characteristic (mean ± SD) | All patients (n = 154) |
| | Gender (%) | | Female | 46 (29.9) | | Male | 108 (70.1) | | Age | 58.49 (9.39) | | BMI | 22.85 (3.47) | | SMA | 110.71 (21.88) | | SMI | 43.82 (4.15) | | SMD | 44.00 (3.24) | | VFA | 115.70 (56.52) | | VATI | 43.26 (20.74) | | SVR | 1.19 (0.59) | | Sarcopenia (%) | | Without | 74 (48.1) | | With | 80 (51.9) | | Pathology (%) | | Adenocarcinoma | 88 (57.1) | | Squamous carcinoma | 66 (42.9) | | Differentiation (%) | | Poor | 50 (32.5) | | Moderate | 73 (47.4) | | Well | 31 (20.1) | | SUVmax | 8.41 (4.55) | | Liver SUVmean | 2.16 (0.43) | | Spleen SUVmean | 1.84 (0.35) | | AJCC stage | | Stage I | 73 (47.4) | | Stage II | 46 (29.9) | | Stage III | 35 (22.7) | | T stage (%) | | T1 | 68 (44.2) | | T2 | 61 (39.6) | | T3 | 16 (10.4) | | T4 | 9 (5.8) | | N stage (%) | | N0 | 104 (67.5) | | N1 | 24 (15.6) | | N2 | 26 (16.9) |
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SUVmax, maximum standard uptake value; SUVmean, mean standard uptake value; BMI, body mass index; SMA, skeletal muscle area; SMI, skeletal muscle mass index; SMD, skeletal muscle radiation density; VFA, visceral fat area; VATI, visceral adipose tissue index; SVR, skeletal muscle visceral fat ratio.
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