Table 2.
Intraoperative and postoperative variables for patients undergoing R0 resection, lymph node examination, and with node-negative IHCC, stratified by the number of lymph nodes examined.
| Number of Lymph Nodes Examined | ||||||
|---|---|---|---|---|---|---|
| 1 or 2 | ≥ 3 | p Value | ||||
| n or median | % or IQR | n or median | % or IQR | Univariate | Multivariable* | |
| n | 386 | 61.2% | 245 | 38.8% | ||
| Tumor Size ≥ 5cm | 247 | 64.0% | 131 | 53.5% | 0.007 | |
| Extent of Surgery | <0.001 | |||||
| Wedge Resection | 15 | 3.9% | 15 | 6.1% | ||
| Segmentectomy (up to 3) | 121 | 31.3% | 44 | 18.0% | ||
| Hemihepatectomy | 143 | 37.0% | 80 | 32.7% | ||
| Extended Hepatectomy | 49 | 12.7% | 50 | 20.4% | ||
| Other or NOS | 58 | 15.0% | 56 | 22.9% | ||
| Post-Operative Length of Stay | 7 days | 5 – 10 | 7 days | 5 – 11.5 | 0.160 | |
| Unplanned 30-Day Readmissions | 31 | 8.0% | 21 | 8.6% | 0.802 | |
| 30-Day Postoperative Mortality | 13 | 3.4% | 17 | 6.9% | 0.040 | 0.109 |
| 90-Day Postoperative Mortality | 23 | 6.0% | 25 | 10.2% | 0.050 | 0.095 |
IQR = interquartile range.
*
Multivariable logistic regression adjusting for the effect of tumor size and extent of surgery