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Eur J Cancer ; 46(17): 3061-7, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-21047587

RESUMO

BACKGROUND: To assess the agreement between the causes of death assigned by a blinded and uniform review panel of the Rotterdam section of the European Randomised Study of Screening for Prostate Cancer and the official vital statistics and to explore the possible effect of the use of either of these two sources on the outcome of the screening trial. METHODS: A total of 670 deaths amongst men with prostate cancer, reviewed by the causes of death committee (CODC) up to 31st December 2006 were included in this study. The kappa statistics with confidence intervals (CI), sensitivity and specificity of the official statistics were determined, with the CODC considered the gold standard. The rate ratio (RR) and 95% confidence intervals (95% CI) for prostate cancer mortality, official statistics relative to CODC, were calculated following the Mantel-Haenszel procedure. RESULTS: The overall concordance and the kappa between official statistics and the CODC were 90.6% and 0.76 (0.71-0.82), remaining comparable when only the CODC category definitely prostate cancer was applied, with the sensitivity of official statistics increasing from 88.3% to 91.3% and specificity hardly changing (91.3% and 90.5%). High specificity and lower sensitivity is observed in the screening arm, whilst the opposite was seen in the control arm in men aged 55-69 and 70-74 years at entry. Considerable lower false positive rate was seen for both age groups in the screening arm (3.9% and 4.7%) compared to the control arm (8.4% and 14.3%). A statistically significant excess of prostate cancer death was observed for the official statistics in the age group 70-74 years, 1.53 (1.07-2.19), whilst it was not significant for men aged 55-69 at entry, 1.06 (0.83-1.36). CONCLUSION: In the Rotterdam ERSPC section, official statistics tended to overreport prostate cancer as an underlying cause of death, particularly in the age group 70-plus in the control arm, which would overestimate the true effect in favour of screening.


Assuntos
Antígeno Prostático Específico/sangue , Neoplasias da Próstata/mortalidade , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Causas de Morte , Detecção Precoce de Câncer/métodos , Detecção Precoce de Câncer/normas , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Multicêntricos como Assunto , Países Baixos/epidemiologia , Prognóstico , Neoplasias da Próstata/diagnóstico , Ensaios Clínicos Controlados Aleatórios como Assunto
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