Table 3 Comparison of clinicopathologic parameters between GISTs and PASTs
From: Clinicopathological characteristics and prognosis of primary appendiceal stromal tumors
Characteristics | Appendix (N = 24) | Gastric (N = 254) | P |
|---|---|---|---|
Age (year) | Â | Â | 0.697 |
 < 59 | 11.00 | 106 |  |
 ≥ 59 | 13.00 | 148 |  |
Sex | Â | Â | 0.335 |
 Male | 14.00 | 122 |  |
 Female | 10.00 | 132 |  |
Tumor size (cm) | Â | Â | 0.000 |
 ≤ 2 | 11.00 | 31 |  |
 2.1–5.0 | 1.00 | 90 |  |
 5.1–10 | 8.00 | 88 |  |
 > 10 | 4.00 | 43 |  |
Censored | 0.00 | 2 | Â |
Histologic type | Â | Â | 0.013 |
 Spindle | 21.00 | 232 |  |
 Epithelioid | 2.00 | 20 |  |
 Mixed | 1.00 | 0 |  |
 Censored | 0.00 | 2 |  |
Mitotic index (%) | Â | Â | 0.111 |
 ≤ 5 | 20.00 | 158 |  |
 > 5 | 4.00 | 89 |  |
 Censored | 0.00 | 7 |  |
CD117 | Â | Â | 0.556 |
 + | 23.00 | 226 |  |
 − | 1.00 | 24 |  |
 Undetected | 0.00 | 4 |  |
CD34 | Â | Â | Â |
 + | 15.00 | 236 |  |
 − | 4.00 | 12 | 0.000 |
 Undetected | 5.00 | 6 |  |
DOG-1 | Â | Â | 0.000 |
 + | 3.00 | 182 |  |
 − | 2.00 | 29 |  |
 Undetected | 19.00 | 43 |  |
Ulceration | Â | Â | 0.008 |
 Yes | 1.00 | 74 |  |
 No | 23.00 | 164 |  |
 Censored | 0.00 | 16 |  |
NIH risk category | Â | Â | 0.000 |
 VLR | 11.00 | 24 |  |
 VL | 2.00 | 66 |  |
 IR | 4.00 | 75 |  |
 HR | 7.00 | 88 |  |
 Censored | 0.00 | 1 |  |