Table 2 Clinicopathological characteristics at initial surgery in SMIHigh and SMILow RGC patients
From: Impact of skeletal muscle mass in patients with recurrent gastric cancer
| Â | All patients (n = 67) | SMIHigh (n = 34) | SMILow (n = 33) | p value |
|---|---|---|---|---|
Depth of tumour invasion | Â | Â | Â | 0.846 |
 T1 | 10 (14.9) | 4 (11.8) | 6 (18.2) |  |
 T2 | 8 (11.9) | 4 (11.8) | 4 (12.1) |  |
 T3 | 28 (41.8) | 14 (41.1) | 14 (42.4) |  |
 T4 | 21 (31.4) | 12 (35.3) | 9 (27.3) |  |
Lymph node metastasis | Â | Â | Â | 0.461 |
 Positive | 57 (85.1) | 30 (88.2) | 27 (81.8) |  |
 Negative | 10 (14.9) | 4 (11.8) | 6 (18.2) |  |
Histologic type | Â | Â | Â | 0.895 |
 Differentiated | 36 (53.7) | 18 (52.9) | 18 (54.5) |  |
 Undifferentiated | 31 (46.3) | 16 (47.1) | 15 (45.5) |  |
Lymphatic invasion | Â | Â | Â | 0.537 |
 Positive | 64 (95.5) | 33 (97.1) | 31 (93.9) |  |
 Negative | 3 (4.5) | 1 (2.9) | 2 (6.1) |  |
Venous invasion | Â | Â | Â | 0.371 |
 Positive | 61 (91.0) | 32 (94.1) | 29 (87.9) |  |
 Negative | 6 (9.0) | 2 (5.9) | 4 (12.1) |  |
Stage of disease | Â | Â | Â | 0.281 |
 I | 8 (11.9) | 3 (8.8) | 5 (15.2) |  |
 II | 20 (29.9) | 8 (23.5) | 12 (36.4) |  |
 III | 39 (58.2) | 23 (67.7) | 16 (48.4) |  |
Tumour size (mm) | 10.0 ± 2.0 | 12.7 ± 25.8 | 7.3 ± 11.0 | 0.072 |
Type of gastrectomy | Â | Â | Â | 0.478 |
 Distal | 30 (44.8) | 13 (38.2) | 17 (51.5) |  |
 Proximal | 6 (9.0) | 4 (11.8) | 2 (6.1) |  |
 Total | 31 (46.2) | 17 (50.0) | 14 (42.4) |  |