Clinicopathological characteristics and prognosis of primary appendiceal stromal tumors

Table 2 The relationship between gross type and clinicopathologic characteristics of PASTs

Characteristics	Solid	Cystic	Mixed	P
Age (year)/(Σ = 24)				0.637
<59	9	0	2
≥ 59	11	0	2
Sex (Σ = 24)				0.094
Male	10	0	4
Female	10	0	0
Tumor size (cm)/(Σ = 24)				0.112
≤ 2	11	0	0
2.1–5.0	1	0	0
5.1–10	6	0	2
>10	2	0	2
Histologic type (Σ = 24)				0.064
Spindle	18	0	3
Epithelioid	0	0	1
Mixed	2	0	0
Mitotic index (%)/(Σ = 24)				0.115
≤ 5	18	0	2
>5	2	0	2
Ki-67(%)/(Σ = 6)				0.445
<5	4	0	0
≥ 5	2	0	0
NIH risk category (Σ = 24)				0.089
VLR	11	0	0
VL	2	0	0
IR	2	0	2
HR	5	0	2
Ulceration (Σ = 24)				0.167
Yes	0	0	1
No	20	0	3

ISSN: 1477-7819