Table 2.
Univariate analysis for risk factors associated with postoperative complications
| Without complications (n=649) | With complications (n=231) | P | |
|---|---|---|---|
| MUST | 0.022* | ||
| <1 | 374 | 113 | |
| ≥1 | 275 | 118 | |
| NRS-2002 | 0.001* | ||
| <3 | 441 | 129 | |
| ≥3 | 208 | 102 | |
| MST | 0.067 | ||
| <2 | 466 | 151 | |
| ≥2 | 183 | 80 | |
| SNAQ | 0.004* | ||
| <2 | 532 | 169 | |
| ≥2 | 117 | 62 | |
| Sarcopenia | <0.001* | ||
| No | 560 | 153 | |
| Yes | 89 | 78 | |
| Gender | 0.144 | ||
| Female | 178 | 52 | |
| Male | 471 | 179 | |
| Age | <0.001* | ||
| <75 y | 555 | 166 | |
| ≥75 y | 94 | 65 | |
| BMI | 0.285 | ||
| ≥18.5 | 604 | 210 | |
| <18.5 | 45 | 21 | |
| ASA | 0.001* | ||
| I, II | 555 | 175 | |
| III | 94 | 56 | |
| Charlson comorbidity index | <0.001* | ||
| 0 | 482 | 140 | |
| ≥1 | 167 | 91 | |
| Anemia | <0.001* | ||
| No | 439 | 117 | |
| Yes | 210 | 114 | |
| Hypoproteinemia | <0.001* | ||
| No | 522 | 155 | |
| Yes | 127 | 76 | |
| Previous abdominal surgery | 0.155 | ||
| No | 579 | 198 | |
| Yes | 70 | 33 | |
| TNM stage | 0.188 | ||
| I | 240 | 70 | |
| II | 153 | 61 | |
| III | 256 | 100 | |
| Tumor differentiation | 0.974 | ||
| Differentiated | 224 | 80 | |
| Undifferentiated | 425 | 151 | |
| Tumor location | 0.007* | ||
| Not cardia | 576 | 189 | |
| Cardia | 73 | 42 | |
| Type of resection | 0.110 | ||
| Subtotal gastrectomy | 415 | 134 | |
| Total gastrectomy | 234 | 97 | |
| Laparoscopic surgery | 0.010* | ||
| No | 460 | 184 | |
| Yes | 189 | 47 | |
| Combined organ resection | 0.305 | ||
| No | 601 | 209 | |
| Yes | 48 | 22 | |
| Extent of lymph node dissection | 0.619 | ||
| D1 | 87 | 28 | |
| D2 | 562 | 203 | |
*Statistically significant (P < 0.05);
BMI, body mass index; ASA, American Society of Anesthesiologists; TNM, tumor-node-metastasis.