Table 3.
Analysis of parameters pre- and post-inflection point as evaluated using the CUSUM method with corresponding p-values to evaluate the statistical significance
| Inflection point (case #) | Pre-inflection point | Post-inflection point | p-value | |
|---|---|---|---|---|
| Operative time overall (min) | 70 | 416 | 334 | 0.0001 |
| Operative time thoracic phase (min) | 79 | 214 | 167 | 0.0001 |
| Blood loss (ml) | 62 | 258 | 209 | 0.1043 |
| R0 resection rate | NA | NA | NA | NA |
| Lymph node yield | 60 | 34 | 39 | 0.0100 |
| Length of hospital stay (days) | 55 | 20 | 15 | 0.0006 |
| Overall length of ICU stay (days) | 29 | 10 | 4 | 0.0035 |
| CCI Score | 55 | 27 | 17 | 0.0119 |
| Anastomotic leak (%) | 38 | 23.7 | 12.9 | 0.1263 |