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Humanistic and Economic Burden of Non-Muscle Invasive Bladder Cancer: Results of Two Systematic Literature Reviews
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The aim of this study was to investigate the impact of a distal subtotal gastrectomy on the quality of life (QoL).
The QoL data of 126 patients were obtained on their 5th annual follow-up visit after a curative distal subtotal gastrectomy for gastric cancer (Group A). The QoL data of 130 age- and gender-adjusted healthy population were obtained from the individuals who visited the health screening center for a medical check-up (Group B). There were 42 women and 84 men in the study group and their mean age was 56.0±11.1 years. QoL was assessed using the Korean versions of the European Organization for Research and Treatment of Cancer (EORTC) QoL Questionnaire Core 30 (QLQ-C30) and QLQ-STO22.
The EORTC QLQ-C30 global health status and QoL scores of Group A and Group B were 63.9±22.7 and 61.3±22.1, respectively (p=0.361). Group A revealed a better score for emotional functioning (84.1±16.1 and 75.2±21.4, respectively; p<0.001), cognitive functioning (82.0±16.4 and 75.0±21.4, respectively; p=0.004) and fatigue (27.7±20.8 and 33.8±23.2, respectively; p=0.028). However, Group A revealed a worse score for nausea and vomiting (14.8±20.0 and 10.2±16.0, respectively; p=0.042), financial difficulties (14.8±22.9 and 7.1±16.1, respectively; p=0.002), reflux (16.7±17.7 and 10.1±17.0, respectively; p=0.003), eating restrictions (13.6±15.2 and 6.6±10.2, respectively; p<0.001) and body image (23.3±25.4 and 16.2±24.6, respectively; p=0.023).
The QoL of long-term survivors after a distal subtotal gastrectomy is still influenced by the surgery itself even though they are considered to be free of disease.
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The aim of this study was to evaluate the multidimensional constructs of the EORTC Quality of Life Questionnaire (QLQ-C30) in patients with cancer, employing not only the commonly used multitrait scaling analysis and interscale correlations, but also the factorial and multidimensional scaling (MDS) analyses.
A total of 334 Korean cancer patients participated in this cross-sectional study. All patients completed the QLQ-C30.
With the multitrait scaling analysis, the cognitive functioning scale did not meet item convergent and divergent validities. With the interscale correlations, the physical and role functioning scales were found to be highly correlated; this was also evident in the factorial analysis. The MDS showed that each item within the social, emotional, global health status/quality of life, and nausea/vomiting scales were clustered close together, but far from those of the other scales.
The authors conclude that the four way evaluation of the QLQ-C30 produced results that supported the original hypothesized constructs. However, the physical and role functioning scales were not distinctive, and that of the cognitive functioning was somewhat problematic in the Korean population with cancer.
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Reliability and Validity of the Arabic Version of the EORTC QLQ-C30 and QLQ-BR23 Questionnaires