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Table 1 Clinicopathological characteristics of participants with hindgut NET

From: Risk factors associated with the progression and metastases of hindgut neuroendocrine tumors: a retrospective study

Characteristics  
Age (years)
 Mean ± SD 59.5 ± 12.7
 Range 27–84
Sex (n, %)
 Male 35 (62.5%)
 Female 21 (37.5%)
The maximum tumor diameter (mm)
 Mean ± SD 7.7 ± 7.9
 Range 2.2–50.0
Ki 67 labeling index (%)
 Mean ± SD 1.3 ± 1.1
 Range 0.0–4.2
Venous invasion (n, %)
 Negative 39 (69.6%)
 Positive 17 (30.4%)
Lymphatic invasion (n, %)
 Negative 39 (69.6%)
 Positive 17 (30.4%)
MVD (mm2)
 Mean ± SD 32.0 ± 31.2
 Range 1.4–136.9
LMVD (mm2)
 Mean ± SD 9.4 ± 10.9
 Range 0.35–55.0
  1. NET neuroendocrine tumor, MVD Microvessel density, LMVD Lymphatic microvessel density, SD Standard deviation