Table 1 Baseline characteristics
|  | Overall N = 399 | Normal N = 215 | Visceral obesity N = 184 | P |
|---|---|---|---|---|
Age (year) | 62.29 ± 11.95 | 61.00 ± 12.39 | 63.81 ± 11.26 | 0.019** |
Male (n, %) | 262 (65.7) | 138 (64.2) | 124 (67.4) | 0.501 |
Height (cm) | 164.07 ± 6.96 | 163.33 ± 6.36 | 164.94 ± 7.52 | 0.022* |
Weight (kg) | 63.78 ± 9.88 | 59.06 ± 8.30 | 69.32 ± 8.65 | 0.000*** |
BMI (kg/m2) | 23.46 ± 3.70 | 22.00 ± 3.05 | 25.17 ± 3.67 | 0.000*** |
Diabetes (n, %) | 26 (6.5) | 14 (6.5) | 12 (6.5) | 0.997 |
Smoking history (n, %) | 79 (19.8) | 45 (20.9) | 34 (18.5) | 0.540 |
Drinking history (n, %) | 41 (10.3) | 23 (10.7) | 18 (9.8) | 0.764 |
Tumor location (n, %) | Â | Â | Â | 0.049* |
 Gastric cancer | 290 (72.7) | 165 (76.7) | 125 (67.9) |  |
 Colorectal cancer | 109 (27.3) | 50 (23.3) | 59 (32.1) |  |
Tumor stage (AJCC) (n, %) | Â | Â | Â | 0.605 |
 I | 118 (29.6) | 63 (29.3) | 55 (29.9) |  |
 II | 139 (34.8) | 71 (33.0) | 68 (37.0) |  |
 III | 110 (27.6) | 65 (30.2) | 45 (24.5) |  |
 IV | 32 (8.0) | 16 (7.4) | 16 (8.7) |  |
ECOG | 0.46 ± 0.58 | 0.47 ± 0.61 | 0.44 ± 0.54 | 0.608 |
NRS2002 ≥ 3 | 159 (39.8) | 81 (37.7) | 78 (42.4) | 0.337 |
PG-SGA score | 6.76 ± 3.52 | 6.91 ± 3.58 | 6.59 ± 3.45 | 0.366 |
Laboratory parameters | ||||
 White blood cells (× 109/L) | 5.81 ± 1.86 | 5.66 ± 1.87 | 5.99 ± 1.83 | 0.078 |
 Hemoglobin (g/L) | 124.11 ± 23.52 | 124.01 ± 22.64 | 124.24 ± 24.57 | 0.924 |
 Albumin (g/L) | 38.99 ± 4.15 | 38.94 ± 3.56 | 39.06 ± 4.75 | 0.769 |
 CEA (ng/mL) | 3.84 ± 8.73 | 4.00 ± 9.46 | 3.66 ± 7.81 | 0.703 |
 CA125 (U/mL) | 11.86 ± 21.34 | 12.92 ± 26.47 | 10.61 ± 12.84 | 0.294 |
 CA199 (U/mL) | 21.27 ± 42.90 | 19.34 ± 33.99 | 23.56 ± 51.50 | 0.357 |
 CA724 (U/mL) | 7.39 ± 22.98 | 5.84 ± 12.18 | 9.24 ± 31.27 | 0.181 |
 CA242 (U/mL) | 9.31 ± 15.14 | 8.27 ± 10.31 | 10.55 ± 19.35 | 0.167 |
Body composition | ||||
 Visceral fat mass area (cm2) | 96.96 ± 57.53 | 53.74 ± 28.99 | 147.46 ± 38.16 | 0.000*** |
 Visceral obesity (n, %) | 184 (46.1) | – | – |  |