Table 2.
Baseline characteristics of patients
| Characteristic | Patients (N = 266) |
|---|---|
| Age (years) * | 62 (55, 69) |
| Gender (%) | |
| Female | 76 (29%) |
| Male | 190 (71%) |
| TNM stage (%) | |
| I | 128 (48%) |
| II | 138 (52%) |
| Type of surgery | |
| Wedge resection | 9 (3.4%) |
| Lobectomy | 202 (76%) |
| Segmental resection | 55 (21%) |
| BMI (kg/m2) * | 23.12 (21.27, 24.66) |
| Underweight (< 18.5) | 5 (1.9%) |
| Normal (18.5–22.9) | 115 (43%) |
| Overweight (23.0–24.9) | 79 (30%) |
| Obese (≥ 25) | 67 (25%) |
| SMI (cm2/m2)* | 53 (47, 58) |
| Sarcopenia (%) | |
| With | 76 (29%) |
| Without | 190 (71%) |
| VFA (cm2)* | 111 (76, 160) |
| High | 133 (50%) |
| Low | 133 (50%) |
| SFA (cm2)* | 105 (81, 133) |
| High | 134 (50%) |
| Low | 132 (50%) |
| AISI* | 210 (121, 370) |
| SII* | 479 (330, 682) |
| Pathology | |
| Adenocarcinoma | 165 (62%) |
| Squamous carcinoma | 101 (38%) |
| PFS (month) | 47 (33, 67) |
| OS (month) | 51 (39, 72) |
BMI body mass index, SMI skeletal muscle index, VFA visceral fat area, SFA subcutaneous fat area, AISI Aggregate Index of Systemic Inflammation, SII systemic immune-inflammation index, OS overall survival, PFS progression-free survival
*Median (IQR)