期刊
NEURO-ONCOLOGY
卷 23, 期 7, 页码 1173-1182出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/neuonc/noab018
关键词
brain tumor; cancer; cognitive outcomes; pediatric; socioeconomic status
资金
- National Cancer Institute (St. Jude Cancer Center Support [CORE] Grant) [P30 CA21765]
- American Lebanese Syrian Associated Charities (ALSAC)
This study found that socioeconomic status (SES) is an important predictor of cognitive outcomes in children treated for localized brain tumors, with higher SES associated with better performance. The results indicate that SES plays a predictive role in cognitive performance before and after radiation therapy for pediatric brain tumors, helping to mitigate cognitive decline.
Background. Socioeconomic status (SES) is a determinant of cognitive and academic functioning among healthy and ill children; however, few pediatric oncology studies examine SES and long-term cognitive functioning. The current study systematically investigated SES as a predictor of cognitive outcomes among children treated for localized brain tumors (BT) with photon radiation therapy (RT). Methods. 248 children treated on a prospective, longitudinal, phase II trial of conformal RT (54-59.4 Gy) for ependymoma, low-grade glioma, or craniopharyngioma were monitored serially with cognitive assessments (intelligence quotient [IQ], reading, math, attention, adaptive function) for 10 years (2209 observations, median age at RT = 6.6 years, 48% male, 80% Caucasian). SES was derived from the Barratt Simplified Measure of Social Status, which incorporates parental occupation, education, and marital status. Results. Overall, SES scores fell in the low range (Barratt median = 37). At pre-RT baseline, linear mixed models revealed significant associations between SES and IQ, reading, math, attention, and adaptive function, with higher SES associated with better performance (P < .005). SES predicted change over time in IQ, reading, and math; higher SES was associated with less decline (P < .001). Accounting for sex and age at RT, SES remained predictive of IQ, reading, and math. Analysis of variance revealed a greater relative contribution of SES than sex or age at RT to reading and math. Conclusions. SES represents a novel predictor of cognitive performance before and after RT for pediatric BT. These findings have broad implications as high SES represents a protective factor. Developing interventions to mitigate the effects of low SES is warranted.
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