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. 2017 Apr 12;8(27):44015–44031. doi: 10.18632/oncotarget.17054

Figure 3. Overall survival of GBM patients by calendar period of diagnosis and age group at diagnosis in SEER, TCR and the combined dataset, direct adjusted survival functions.

Figure 3

(a) Direct adjusted survival after adjusting covariates stratified by age group at diagnosis in SEER; (b) Direct adjusted survival after adjusting covariates stratified by age group at diagnosis in TCR; (c) Direct adjusted survival after adjusting covariates stratified by age group at diagnosis in the combined dataset.