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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Clin Oncol. Mar 24, 2026; 17(3): 114744
Published online Mar 24, 2026. doi: 10.5306/wjco.v17.i3.114744
Table 1 The demographic and clinical characteristics between training and testing cohorts, n (%)
Characteristic
All subjects (n = 103)
Training cohort (n = 72)
Testing cohort (n = 31)
P value
Age, median (IQR), months24 (17)24 (17)25 (18)0.701
Gender0.905
Male81 (78.6)57 (79.2)24 (77.4)
Female22 (21.4)15 (20.8)7 (22.6)
MYCN amplification0.518
Non-amplified91 (88.3)64 (88.9)27 (87.1)
Amplified12 (11.7)8 (11.1)4 (12.9)
INRGSS stage0.706
L147 (45.6)33 (45.8)14 (45.2)
L256 (54.4)39 (54.2)17 (54.8)
Histological differentiation0.288
Differentiated38 (36.9)26 (36.1)12 (38.7)
Undifferentiated or poorly differentiated65 (63.1)46 (63.9)19 (61.3)
Infiltrating across the midline0.880
Absence54 (52.4)38 (52.8)16 (51.6)
Presence49 (47.6)34 (47.2)15 (48.4)
Calcification0.960
Absence32 (31.1)22 (30.6)10 (32.3)
Presence71 (68.9)50 (69.4)21 (67.7)
DL-based signature, median (IQR)-0.243 (0.154)-0.244 (0.153)-0.243 (0.229)0.311
EFS, median (IQR), month72 (78)71 (78)72 (78)0.437


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