10 mm, lymph-vascular space involvement, tumor diameter > 17.5 mm, and parametrial involvement. Postoperative treatment was significantly more frequent in patients with "abundant" vascularization (OR: 20.8, 95% CIs: 2 to 211). The presence of scanty-moderate vascularization with a PI < 0.82 or abundant vascularization with either PI > 0.82 or PI < 0.82 was associated with high-risk group in 94.4% of the cases (OR: 21.2, 95% CI: 1.9 to 236.0) Conclusion The results are consistent with a relationship between tumor angiogenesis and prognostic factors for recurrence in early cervical cancer. "Abundant" vascularization and PI < 0.82 may be related to postoperative treatment due to risk factors."/>
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Table 4 Risk group according to amount of vascularization and PI

From: Neoangiogenesis in early cervical cancer: Correlation between color Doppler findings and risk factors. A prospective observational study

  Low Risk High Risk Total
Scanty Vascularization and PI > 0.82 5 (55.2%) 4 (44.8%) 9
Scanty vascularization and PI < 0.82
or
Abundant vascularization
1 (5.6%) 17 (94.4%) 18
Total 6 21 27