Table 2 Correlation coefficient between preoperative ultrasound PCI and surgical PCI
From: Value of preoperative ultrasound in evaluating the peritoneal cancer index of pseudomyxoma peritonei
Region | Spearman’s correlation coefficient | P value | Overestimation rate (%) | Underestimation rate (%) |
|---|---|---|---|---|
0 | 0.672 | 0.000 | 3.3 | 6.8 |
1 | 0.618 | 0.000 | 15.2 | 22.0 |
2 | 0.589 | 0.000 | 22 | 8.4 |
3 | 0.543 | 0.000 | 6.7 | 35.6 |
4 | 0.421 | 0.001 | 33.8 | 25.4 |
5 | 0.370 | 0.004 | 54.2 | 6.7 |
6 | 0.539 | 0.000 | 44.0 | 6.7 |
7 | 0.413 | 0.001 | 35.6 | 15.2 |
8 | 0.240 | 0.067 | 20.0 | 35.6 |