Table 1. Univariate Analysis for OS and DFS.
| Variable | ||||
|---|---|---|---|---|
|
|
||||
| OS | n | HR | 95% confidence interval | P value |
| Age | 179 | 1.07 | 0.96, 1.18 | 0.23 |
| Gender | 179 | 1.05 | 0.66, 1.66 | 0.85 |
| Body mass index | 138 | 1.06 | 1.006, 1.12 | 0.029 |
| COPD | 179 | 0.98 | 0.45, 2.14 | 0.96 |
| Smoker | 161 | 1.21 | 0.74, 1.97 | 0.61 |
| Diabetes | 179 | 1.74 | 1.01, 3.01 | 0.047 |
| Renal failure | 179 | 5.88 | 1.35, 25.6 | 0.018 |
| Number of tumors | 157 | 1.07 | 0.98, 1.18 | 0.15 |
| Maximum tumor size | 152 | 0.99 | 0.90, 1.09 | 0.86 |
| operating room time | 148 | 1.07 | 0.91, 1.27 | 0.42 |
| Blood loss | 165 | 0.997 | 0.97, 1.03 | 0.88 |
| Transfusions | 143 | 0.87 | 0.66, 1.15 | 0.33 |
| Laparoscopic procedure | 151 | 059 | 0.28,1.25 | 0.16 |
| Major resection | 178 | 0.75 | 0.48, 1.18 | 0.21 |
| R0 resection | 179 | 0.45 | 0.20, 0.99 | 0.046 |
| Overall complications | 179 | 1.26 | 1.08, 1.48 | 0.0039 |
| Length of stay | 13 | 1.12 | 0.99, 1.26 | 0.076 |
| Eastern Cooperative Oncology Group status | 173 | 1.64 | 0.88, 3.07 | 0.013 |
| 6.54 | 1.50, 28.6 | |||
| >2 comorbidities | 179 | 1.3 | 0.76, 2.25 | 0.34 |
| Epidural | 179 | 1.12 | 0.71, 1.77 | 0.62 |
| Carcinoembryonic antigen | 162 | 1.11 | 0.96, 1.28 | 0.15 |
| Chronic pain | 125 | 1.47 | 0.75, 2.89 | 0.26 |
| Preoperative heart rate | 119 | 1.57 | 1.22, 2.02 | 0.0005 |
| American Society of Anesthesiologists | 129 | 1.82 | 1.05, 3.16 | 0.033 |
| TEA days | 24 | 1.31 | 0.66, 2.58 | 0.44 |
| Patient-controlled anesthesia days | 89 | 1.2 | 1.06, 1.37 | 0.0059 |
| DFS | ||||
| Age | 163 | 1 | 0.91, 1.09 | 0.93 |
| Gender | 163 | 1.07 | 0.72, 1.57 | 0.75 |
| Body mass index | 126 | 1.03 | 0.99, 1.07 | 0.12 |
| COPD | 163 | 0.91 | 0.55, 2.17 | 0.8 |
| Smoker | 145 | 1.08 | 0.72, 1.63 | 0.7 |
| Diabetes | 163 | 1.58 | 1.004, 2.50 | 0.051 |
| Renal failure | 163 | 2.13 | 0.67, 6.76 | 0.2 |
| Number of tumors | 142 | 1.1 | 1.01, 1.21 | 0.037 |
| Maximum tumor size | 139 | 1.004 | 0.91, 1.11 | 0.94 |
| Operating room time | 138 | 1.14 | 0.999, 1.29 | 0.052 |
| Blood loss | 150 | 0.99 | 0.97, 1.02 | 0.69 |
| Transfusions | 143 | 0.80 | 0.63, 1.04 | 0.10 |
| Laparoscopic procedure | 151 | 1.30 | 0.80, 2.11 | 0.29 |
| Major resection | 162 | 0.72 | 0.49, 1.06 | 0.099 |
| Overall complications | 163 | 1.17 | 1.01, 1.35 | 0.036 |
| Length of stay | 12 | 1.1 | 0.98, 1.24 | 0.11 |
| Eastern Cooperative Oncology Group status | 157 | 0.72 | 0.44, 1.20 | 0.093 |
| 3.48 | 0.83, 14.7 | |||
| >2 comorbidities | 163 | 1.1 | 0.69, 1.76 | 0.68 |
| Epidural | 163 | 1.18 | 0.77, 1.79 | 0.45 |
| Carcinoembryonic antigen | 148 | 1.08 | 0.95, 1.21 | 0.24 |
| Chronic pain | 116 | 1.47 | 0.90, 2.42 | 0.13 |
| Systolic blood pressure | 107 | 1.012 | 0.96, 1.07 | 0.66 |
| Preoperative heart rate | 111 | 1.23 | 1.03, 1.48 | 0.02 |
| Beta blocker use | 117 | 1 | 0.56, 1.76 | 0.99 |
| American Society of Anesthesiologists | 121 | 1.07 | 0.72, 1.58 | 0.75 |
| TEA days | 23 | 1.59 | 1.04, 2.44 | 0.033 |
| Patient-controlled anesthesia days | 86 | 1.13 | 1.01, 1.27 | 0.035 |