Técnicas de análise de sobrevida

Sichieri, Rosely

doi:10.1590/s0102-311x2002000300003

Cited by 64 publications

(64 citation statements)

References 27 publications

(35 reference statements)

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“…The final model included women who remained statistically significant (p < 0.05). We used the likelihood-ratio test to verify the significance of the parameters of the reduced models and Schoenfeld's residual diagnosis test to assess the proportionality of Cox models 22 . Input and descriptive analysis of data were conducted in the Statistical Package for the Social Sciences (SPSS) program, version 15.0, and we used the STATA program, version 12.0, to analyze survival and prognostic factors.…”

Section: Methodsmentioning

confidence: 99%

Fatores associados à adesão e à persistência na hormonioterapia em mulheres com câncer de mama

Guedes¹,

Guerra

Alvim

et al. 2017

Rev. bras. epidemiol.

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Introduction: Hormonal therapy in breast cancer is essential to the transition from active treatment to care survival, because it improves long-term survival and provides a better quality of life. reducing hospital costs as well. However, adherence and persistence in the recommended treatment are important to achieve the desirable results. Methodology: This is a cohort retrospective study of 182 women on hormonal treatment identified at a high complexity oncology unit, in the southeastern region of Brazil, and followed-up until 2014. We performed a bivariate analysis to analyze the factors associated with adherence and we conducted the multivariate Cox regression to identify variables associated with discontinuity of treatment over time. Results: Overall adherence was 85.2% and persistence was 45.4% at the end of 5 years. No association was found between the studied independent variables and adherence. Women with advanced stage (HR = 2.24; 95% confidence interval 1.45 -3.45), who did not undergo surgery (HR = 3.46; 95%CI 2.00 -5.97), and with three or more hospitalizations (HR = 6.06; 95%CI 2.53 -14.54) exhibited increased risk of discontinuity. Discussion: The variables associated with persistence reflect the relation between the highest disease severity and the discontinuity of adjuvant hormonal treatment. Conclusion: Despite the high adherence level, there is a progressive increase in non-persistence among women on hormonal therapy, influenced by characteristics related to disease severity, which contributes to an inadequate therapeutic response.

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Section: Methodsmentioning

confidence: 99%

Fatores associados à adesão e à persistência na hormonioterapia em mulheres com câncer de mama

Guedes¹,

Guerra

Alvim

et al. 2017

Rev. bras. epidemiol.

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“…Associations were also investigated for the exposure variables using chi-square (χ 2 ) or Fisher's exact test, as appropriate 16 . Graphs using the Kaplan-Meier technique were produced to visualize the survival trend of IDUs between the field testing and the AIDS diagnosis 17 . Epidemiologically relevant exposure factors or those with a p-value of ≤ 0.20 were selected for multivariate analysis using the Cox proportional model, aimed at producing a model adjusted for confounding variables 18 .…”

Section: Methodsmentioning

confidence: 99%

AIDS incidence and mortality in injecting drug users: the AjUDE-Brasil II Project

2006

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“…(as suggested by the term "survival"), but also other events with dichotomous outcomes [35]. In this study, the final event assessed was the occurrence of bacterial infiltration.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Apical Contamination in Teeth with Prefabricated Posts Fixed with Different Dental Cements

Machado¹,

Alvarez-Leite²,

Seraidarian³

et al. 2015

Pesqui. bras. odontopediatria clín. integr.

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Objective: To assess the sealing capacity of different dental cements regarding apical microleakage on teeth with prefabricated posts. Material and Methods: Forty-eight single-rooted teeth were selected and, after having their coronal part removed at 10mm standard, underwent endodontic cleaning and preparation. The space for the post was prepared with # 3 Largo bur at 7 mm standard value. The study included the following groups: Group I, post prefabricated with # 1 intracanal glass fiber cemented with zinc phosphate cement (n = 12); Group II, post prefabricated with # 1 intracanal glass fiber cemented with conventional glass ionomer cement, Vidrion C (n = 12); Group III, post prefabricated with # 1 intracanal glass fiber cemented with chemical action resin cement, Multilink (n = 12). Two groups of six teeth each were also included, one as negative control group and the other as positive control. After cementing, teeth were tested through a dual-chamber experimental model, using Enterococcus Faecalis for apical contamination. Results: The control groups behaved as expected: positive control group with total contamination in 11 days and negative control group without any contaminated specimen within observation time of 60 days. Group I showed microleakage in all specimens for up to 29 days (100%). Group II and Group III showed microleakage in 50 and 49 specimens (83.33% and 75%) respectively along the research time of 60 days. Group 1 showed microleakage in all specimens for up to 29 days (100%). Group 2 and Group 3 showed microleakage in 50 and 49 specimens (83.33% and 75%) respectively along the research time of 60 days. The Log-Rank test showed differences between Groups 1 and 2 (p<0.05) and between Groups 1 and 3 (p<0.05). However, there was no difference between Groups 2 and 3 (p> 0.05). The results showed higher delay in bacterial infiltration in Groups 2 and 3 when compared to Group 1. Conclusion: No cement completely prevented infiltration during the experimental period. Zinc phosphate cement had the lowest apical sealing capacity while glass ionomer cement and resin cement showed similar results.

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Técnicas de análise de sobrevida

Cited by 64 publications

References 27 publications

Fatores associados à adesão e à persistência na hormonioterapia em mulheres com câncer de mama

Fatores associados à adesão e à persistência na hormonioterapia em mulheres com câncer de mama

AIDS incidence and mortality in injecting drug users: the AjUDE-Brasil II Project

Evaluation of Apical Contamination in Teeth with Prefabricated Posts Fixed with Different Dental Cements

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