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Table 1: The main clinical and cMRI features of IDH mutational status in grade II and III astrocytomas^{^a}
IDH Mutation (n = 17) IDH Wild Type (n = 25) P Value
Sex (male/female) 9/8 17/8 .157
Age (yr) 35.76 ± 9.13 45.96 ± 18.36 .041
Location .006
    Frontal lobe 9 (52.9%) 4 (16.0%) 
    Parietal lobe 1 (5.9%) 3 (12.0%) 
    Temporal lobe 6 (35.3%) 4 (16.0%) 
    Occipital lobe 0 0 
    Insular lobe 1 (5.9%) 3 (12.0%) 
    Others 0 11 (44.0%) 
Homogeneity .439
    Homogeneous 4 (23.5%) 7 (28.0%) 
    Heterogeneous 13 (76.5%) 18 (72.0%) 
Edema .746
    Presence 3 (17.6%) 7 (28.0%) 
    Absence 14 (82.4%) 18 (72.0%) 
Borders .037
    Sharp 11 (64.7%) 8 (32.0%) 
    Indistinct 6 (35.3%) 17 (68.0%) 
Contrast enhancement .286
    No 11 (64.7%) 12 (48.0%) 
    Yes 6 (35.3%) 13 (54.0%) 
Histology .051
    Grade II astrocytomas 12 (70.6%) 12 (48.0%) 
    Grade III astrocytomas 5 (29.4%) 13 (54.0%) 
↵a Data are number (%) unless otherwise indicated.