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Table 2 Demographic and clinical characteristics of GC patients with SPCs or not
| Parameters | SPCs | P-value | |
|---|---|---|---|
| No (n = 313) | Yes (n = 52) | ||
| Age (year) | 72.3 ± 5.7 | 77.6 ± 6.3 | < 0.001* |
| Gender, n (%) | 0.449 | ||
| Male | 238 | 37 | – |
| Female | 75 | 15 | – |
| BMI (kg/m2) | 21.2 ± 2.1 | 20.9 ± 1.9 | 0.331 |
| Comorbidities, n (%) | – | ||
| Hypertension | 38 | 13 | 0.013* |
| Diabetes | 27 | 10 | 0.019* |
| Hyperlipidaemia | 22 | 7 | 0.122 |
| Heavy drinkers, n (%) | 26 | 7 | 0.230 |
| Current smokers, n (%) | 33 | 10 | 0.072 |
| ASA grade, n (%) | 0.015* | ||
| I/II | 247 | 33 | – |
| III/IV | 66 | 19 | – |
| Abdominal surgery history, n (%) | 26 | 7 | |
| Tumor location, n (%) | 0.449 | ||
| Cardia | 32 | 6 | – |
| Pylorus | 201 | 28 | – |
| Corpus | 67 | 14 | – |
| Total | 13 | 4 | – |
| Histologic type | 0.177 | ||
| Differentiated | 221 | 30 | – |
| Undifferentiated | 33 | 8 | – |
| Signet-ring cell carcinoma | 59 | 14 | – |
| Pathological type | 0.210 | ||
| Ulcerative | 273 | 42 | – |
| Non-ulcerative | 40 | 10 | – |
| Tumor size (cm) | 4.3 ± 1.9 | 4.5 ± 2.1 | 0.489 |
| Extent of resection | 0.741 | ||
| Distal gastrectomy | 185 | 32 | – |
| Total gastrectomy | 128 | 20 | – |
| T stage | 0.876 | ||
| Tis/T1/T2 | 130 | 21 | – |
| T3/T4 | 183 | 31 | – |
| N stage | 0.952 | ||
| N0 | 101 | 17 | – |
| N1/N2/N3 | 212 | 35 | – |
| TNM stage | 0.654 | ||
| I | 77 | 11 | – |
| II | 89 | 13 | – |
| III | 147 | 28 | – |
| Operation time (min) | 234.6 ± 31.3 | 245.7 ± 38.2 | 0.023* |
| Estimated blood loss (mL) | 187.9 ± 78.8 | 217.2 ± 70.6 | 0.012* |
| Intraoperative fluid utilization (mL) | 1910.3 ± 245.3 | 2014.3 ± 306.4 | 0.007* |
| Perioperative blood transfusion, n (%) | 105 | 16 | 0.694 |
| Time to first flatus (d) | 2.9 ± 0.7 | 3.0 ± 0.9 | 0.362 |
| Time to ambulation (d) | 2.1 ± 0.7 | 2.2 ± 0.6 | 0.332 |
| Time to first liquid intake (d) | 3.9 ± 1.1 | 4.0 ± 1.3 | 0.555 |
| Time to first soft intake (d) | 5.4 ± 1.3 | 5.3 ± 1.5 | 0.616 |
