PMC:6966482 / 4232-4577 JSONTXT

{"project":"2_test","denotations":[{"id":"31842352-29460007-17908808","span":{"begin":219,"end":220},"obj":"29460007"},{"id":"31842352-30624711-17908809","span":{"begin":221,"end":223},"obj":"30624711"}],"text":"Table 1 shows the characteristics of 5103 cases and 10,915 controls in three studies. The ratios of control to case numbers were 2.65, 3.54, and 0.32 in the current, Labreche’s and Eckel-Passow’s studies, respectively [9,10]. The proportion of GBM cases was higher in our study (62.7%) than Eckel-Passow’s (41.9%) and Labreche’s studies (30.0%)."}