Research Article
Weekday of Surgery Affects Postoperative Complications and Long-Term Survival of Chinese Gastric Cancer Patients after Curative Gastrectomy
Table 3
Univariate cox analysis of overall and disease-free survival in 463 patients after gastrectomy.
| | Characteristics | Overall survival | Disease-free survival | | HR (95% CI) | p Value | HR (95% CI) | p Value |
| | Gender (female/male) | 1.190 (0.956–1.483) | 0.120 | 1.158 (0.939–1.428) | 0.171 | | Age (year) (>65/≤65) | 1.126 (0.903–1.405) | 0.293 | 1.153 (0.933–1.424) | 0.187 | | BMI (abnormal BMI/normal BMI) | 1.093 (0.878–1.361) | 0.426 | 1.079 (0.875–1.331) | 0.477 | | Smoking history (yes/no) | 1.008 (0.808–1.258) | 0.945 | 1.015 (0.821–1.254) | 0.893 | | Comorbidities (with/without) | 1.196 (0.936–1.527) | 0.152 | 1.282 (1.018–1.616) | 0.035 | | ASA (III/I + II) | 1.277 (0.784–2.082) | 0.326 | 1.564 (0.996–2.457) | 0.052 | | Tumor Size (≥5 cm/<5 cm) | 1.180 (0.932–1.494) | 0.169 | 1.320 (1.057–1.649) | 0.015 | | Tumor differentiation (yes/no) | 0.818 (0.502–1.333) | 0.420 | 0.856 (0.526–1.394) | 0.533 | | Increased serum CEA (yes/no) | 0.914 (0.732–1.140) | 0.425 | 0.960 (0.777–1.186) | 0.704 | | Hypoalbuminemia (yes/no) | 1.032 (0.828–1.286) | 0.779 | 0.971 (0.787–1.198) | 0.783 | | Laparoscopic-assisted (yes/no) | 0.883 (0.640–1.218) | 0.448 | 0.952 (0.705–1.284) | 0.745 | | Operation time (≥240 min/<240 min) | 1.653 (1.295–2.112) | <0.001 | 1.495 (1.178–1.896) | 0.001 | | Operative blood loss (≥500 ml/<500 ml) | 1.604 (1.212–2.125) | 0.001 | 1.509 (1.149–1.983) | 0.003 | | T classification | | <0.001 | | <0.001 | | (T2/T1) | 1.723 (0.697–4.260) | 0.239 | 1.239 (0.574–2.678) | 0.585 | | (T3/T1) | 2.869 (1.181–6.967) | 0.020 | 2.042 (0.962–4.334) | 0.063 | | (T4/T1) | 4.834 (1.889–12.366) | 0.001 | 3.105 (1.378–6.993) | 0.006 | | N classification | | <0.001 | | <0.001 | | (N1/N0) | 2.005 (1.571–2.558) | <0.001 | 2.280 (1.801–2.886) | <0.001 | | (N2/N0) | 2.184 (1.521–3.136) | <0.001 | 2.805 (1.998–3.937) | <0.001 | | (N3/N0) | 3.526 (1.984–6.268) | <0.001 | 3.900 (2.239–6.792) | <0.001 | | TNM stage | | <0.001 | | <0.001 | | (II/I) | 2.796 (1.877–4.167) | <0.001 | 2.929 (2.005–4.279) | <0.001 | | (III/I) | 7.397 (4.679–11.692) | <0.001 | 7.874 (5.083–12.198) | <0.001 | | Chemotherapy (no/yes) | 1.578 (1.231–2.023) | <0.001 | 1.771 (1.396–2.247) | <0.001 | | Postoperative complications (yes/no) | 3.617 (2.825–4.631) | <0.001 | 3.395 (2.666–4.324) | <0.001 | | Weekday (late/early) | 1.574 (1.255–1.974) | <0.001 | 1.488 (1.201–1.844) | <0.001 | | Increased postoperative CRP (yes/no) | 1.857 (1.490–2.315) | <0.001 | 1.856 (1.503–2.293) | <0.001 |
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