Table 3 Patient characteristics according to IDH mutation split by grade. No differences were found between patients with IDHmut and IDHwt tumors in terms of localization, stage at diagnosis, morphology, and Syndrome coexistence
From: IDH mutations in G2-3 conventional central bone chondrosarcoma: a mono institutional experience
|  | G2 (N = 41) | G3 (N = 13) | ||||||
|---|---|---|---|---|---|---|---|---|
|  | IDHmut N = 15 (37%) | IDHwt N = 26 (63%) | All G2 | P value | IDHmut N = 9 (69%) | IDHwt N = 4 (31%) | All G3 | P value |
Site, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Extremity | 10 (67) | 10 (38) | 20 | 0.23 | 4 (44) | 1 (25) | 5 | 0.44 |
Pelvis | 3 (20) | 10 (38) | 13 | Â | 4 (44) | 1 (25) | 5 | Â |
Other | 2 (13) | 6 (24) | 8 | Â | 1 (12) | 2 (50) | 3 | Â |
Stage, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Localized | 12 (80) | 21 (81) | 33 | 1.0 | 5 (56) | 2 (50) | 7 | 1.0 |
Metastatic | 3 (20) | 5 (19) | 8 | Â | 4 (44) | 2 (50) | 6 | Â |
Margins, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Wide | 10 (67) | 20 (83) | 30 | 0.27 | 7 (78) | 2 (50) | 9 | 0.53 |
Not-wide | 5 (33) | 4 (17) | 9 | Â | 2 (22) | 2 (50) | 4 | Â |
Uk | Â | 2 | 2 | Â | Â | Â | Â | Â |