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Table 1 Key demographic and clinical characteristics of 179 patients with localized NB >18 months

From: Complete surgical resection improves outcome in INRG high-risk patients with localized neuroblastoma older than 18 months

Characteristic No. %
Sex
 male 86 48.0
 female 93 52.0
Primary tumor site   
 Neck 4 2.2
 Chest 38 21.2
 Abdomen 47 26.3
 Adrenal 80 44.7
 Pelvis 7 3.9
 combined 3 1.7
MYCN status
 non-amplified 140 78.2
 amplified 36 20.1
 not available 3 1.7
INSS stage
 stage 1 68 38.0
 stage 2 46 25.7
 stage 3 65 36.3
NB97 risk group
 low 96 53.6
 standard 36 20.1
 high 47 26.1
IDRF
 yes 70 39.1
 no 73 40.8
 not available 36 20.1
INRG risk group
 very low 88 49.2
 low 4 2.2
 intermediate 23 12.8
 high 36 20.1
 not available 28 15.6
First operation
 biopsy only 69 38.5
 incomplete resection 13 7.3
 gross total resection 14 7.8
 complete resection 83 46.4
Last operation
 biopsy only 0 0
 incomplete resection 17 9.5
 gross total resection 20 11.2
 complete resection 40 22.3
Best operation
 biopsy only 1 0.6
 incomplete resection 25 14.0
 gross total resection 30 16.8
 complete resection 123 68.7
Chemotherapy
 yes 82 45.8
 no 97 54.2
RT of primary tumor site
 yes 7 3.9
 no 172 96.1
myeloablative Chemo with ASCT
 yes 23 12.8
 no 156 87.2