author_facet Guan, Hong-Bo
Wu, Qi-Jun
Gong, Ting-Ting
Guan, Hong-Bo
Wu, Qi-Jun
Gong, Ting-Ting
author Guan, Hong-Bo
Wu, Qi-Jun
Gong, Ting-Ting
spellingShingle Guan, Hong-Bo
Wu, Qi-Jun
Gong, Ting-Ting
Cancer Epidemiology, Biomarkers & Prevention
Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
Oncology
Epidemiology
author_sort guan, hong-bo
spelling Guan, Hong-Bo Wu, Qi-Jun Gong, Ting-Ting 1055-9965 1538-7755 American Association for Cancer Research (AACR) Oncology Epidemiology http://dx.doi.org/10.1158/1055-9965.epi-13-0759-t <jats:title>Abstract</jats:title> <jats:p>Background: Observational studies have reported conflicting results between parity and kidney cancer risk. To our knowledge, a comprehensive and quantitative assessment of the association between parity and kidney cancer has not been reported. Thus, we conducted a systematic review and dose–response meta-analysis of published epidemiologic studies to summarize the evidence of this association.</jats:p> <jats:p>Methods: Relevant published studies of parity and kidney cancer were identified using MEDLINE (PubMed) database through end of June 2013. Two authors independently assessed eligibility and extracted data. Six prospective and eight case–control studies reported relative risk (RR) estimates and 95% confidence intervals (CI) of kidney cancer associated with parity or parity number. Fixed- or random-effects models were used to estimate summary relative risk.</jats:p> <jats:p>Results: The summary relative risk of kidney cancer for the parity versus nulliparous was 1.23 (95% CI, 1.10–1.36; Q = 12.41; P = 0.413; I2 = 3.3%). In addition, significant association was also found for the highest versus lowest parity number, with summary RR = 1.36 (95% CI, 1.19–1.56; Q = 8.24; P = 0.766; I2 = 0%). In the dose–response analysis, the summary per one live birth relative risk was 1.08 (95% CI: 1.05–1.10; Q = 9.34; P = 0.500; I2 = 0%), also indicating the positive effect of parity on kidney cancer risk. No evidence of publication bias and significant heterogeneity between subgroups was detected by meta-regression analyses.</jats:p> <jats:p>Conclusions: In summary, findings from this meta-analysis suggest that ever parity and higher parity number is significantly associated with increased risk of kidney cancer.</jats:p> <jats:p>Impact: The present results suggest a positive association between parity and kidney cancer risk. Cancer Epidemiol Biomarkers Prev; 22(12); 2345–53. ©2013 AACR.</jats:p> Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies Cancer Epidemiology, Biomarkers & Prevention
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title Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_unstemmed Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_full Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_fullStr Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_full_unstemmed Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_short Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_sort parity and kidney cancer risk: evidence from epidemiologic studies
topic Oncology
Epidemiology
url http://dx.doi.org/10.1158/1055-9965.epi-13-0759-t
publishDate 2013
physical 2345-2353
description <jats:title>Abstract</jats:title> <jats:p>Background: Observational studies have reported conflicting results between parity and kidney cancer risk. To our knowledge, a comprehensive and quantitative assessment of the association between parity and kidney cancer has not been reported. Thus, we conducted a systematic review and dose–response meta-analysis of published epidemiologic studies to summarize the evidence of this association.</jats:p> <jats:p>Methods: Relevant published studies of parity and kidney cancer were identified using MEDLINE (PubMed) database through end of June 2013. Two authors independently assessed eligibility and extracted data. Six prospective and eight case–control studies reported relative risk (RR) estimates and 95% confidence intervals (CI) of kidney cancer associated with parity or parity number. Fixed- or random-effects models were used to estimate summary relative risk.</jats:p> <jats:p>Results: The summary relative risk of kidney cancer for the parity versus nulliparous was 1.23 (95% CI, 1.10–1.36; Q = 12.41; P = 0.413; I2 = 3.3%). In addition, significant association was also found for the highest versus lowest parity number, with summary RR = 1.36 (95% CI, 1.19–1.56; Q = 8.24; P = 0.766; I2 = 0%). In the dose–response analysis, the summary per one live birth relative risk was 1.08 (95% CI: 1.05–1.10; Q = 9.34; P = 0.500; I2 = 0%), also indicating the positive effect of parity on kidney cancer risk. No evidence of publication bias and significant heterogeneity between subgroups was detected by meta-regression analyses.</jats:p> <jats:p>Conclusions: In summary, findings from this meta-analysis suggest that ever parity and higher parity number is significantly associated with increased risk of kidney cancer.</jats:p> <jats:p>Impact: The present results suggest a positive association between parity and kidney cancer risk. Cancer Epidemiol Biomarkers Prev; 22(12); 2345–53. ©2013 AACR.</jats:p>
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author Guan, Hong-Bo, Wu, Qi-Jun, Gong, Ting-Ting
author_facet Guan, Hong-Bo, Wu, Qi-Jun, Gong, Ting-Ting, Guan, Hong-Bo, Wu, Qi-Jun, Gong, Ting-Ting
author_sort guan, hong-bo
container_issue 12
container_start_page 2345
container_title Cancer Epidemiology, Biomarkers & Prevention
container_volume 22
description <jats:title>Abstract</jats:title> <jats:p>Background: Observational studies have reported conflicting results between parity and kidney cancer risk. To our knowledge, a comprehensive and quantitative assessment of the association between parity and kidney cancer has not been reported. Thus, we conducted a systematic review and dose–response meta-analysis of published epidemiologic studies to summarize the evidence of this association.</jats:p> <jats:p>Methods: Relevant published studies of parity and kidney cancer were identified using MEDLINE (PubMed) database through end of June 2013. Two authors independently assessed eligibility and extracted data. Six prospective and eight case–control studies reported relative risk (RR) estimates and 95% confidence intervals (CI) of kidney cancer associated with parity or parity number. Fixed- or random-effects models were used to estimate summary relative risk.</jats:p> <jats:p>Results: The summary relative risk of kidney cancer for the parity versus nulliparous was 1.23 (95% CI, 1.10–1.36; Q = 12.41; P = 0.413; I2 = 3.3%). In addition, significant association was also found for the highest versus lowest parity number, with summary RR = 1.36 (95% CI, 1.19–1.56; Q = 8.24; P = 0.766; I2 = 0%). In the dose–response analysis, the summary per one live birth relative risk was 1.08 (95% CI: 1.05–1.10; Q = 9.34; P = 0.500; I2 = 0%), also indicating the positive effect of parity on kidney cancer risk. No evidence of publication bias and significant heterogeneity between subgroups was detected by meta-regression analyses.</jats:p> <jats:p>Conclusions: In summary, findings from this meta-analysis suggest that ever parity and higher parity number is significantly associated with increased risk of kidney cancer.</jats:p> <jats:p>Impact: The present results suggest a positive association between parity and kidney cancer risk. Cancer Epidemiol Biomarkers Prev; 22(12); 2345–53. ©2013 AACR.</jats:p>
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spelling Guan, Hong-Bo Wu, Qi-Jun Gong, Ting-Ting 1055-9965 1538-7755 American Association for Cancer Research (AACR) Oncology Epidemiology http://dx.doi.org/10.1158/1055-9965.epi-13-0759-t <jats:title>Abstract</jats:title> <jats:p>Background: Observational studies have reported conflicting results between parity and kidney cancer risk. To our knowledge, a comprehensive and quantitative assessment of the association between parity and kidney cancer has not been reported. Thus, we conducted a systematic review and dose–response meta-analysis of published epidemiologic studies to summarize the evidence of this association.</jats:p> <jats:p>Methods: Relevant published studies of parity and kidney cancer were identified using MEDLINE (PubMed) database through end of June 2013. Two authors independently assessed eligibility and extracted data. Six prospective and eight case–control studies reported relative risk (RR) estimates and 95% confidence intervals (CI) of kidney cancer associated with parity or parity number. Fixed- or random-effects models were used to estimate summary relative risk.</jats:p> <jats:p>Results: The summary relative risk of kidney cancer for the parity versus nulliparous was 1.23 (95% CI, 1.10–1.36; Q = 12.41; P = 0.413; I2 = 3.3%). In addition, significant association was also found for the highest versus lowest parity number, with summary RR = 1.36 (95% CI, 1.19–1.56; Q = 8.24; P = 0.766; I2 = 0%). In the dose–response analysis, the summary per one live birth relative risk was 1.08 (95% CI: 1.05–1.10; Q = 9.34; P = 0.500; I2 = 0%), also indicating the positive effect of parity on kidney cancer risk. No evidence of publication bias and significant heterogeneity between subgroups was detected by meta-regression analyses.</jats:p> <jats:p>Conclusions: In summary, findings from this meta-analysis suggest that ever parity and higher parity number is significantly associated with increased risk of kidney cancer.</jats:p> <jats:p>Impact: The present results suggest a positive association between parity and kidney cancer risk. Cancer Epidemiol Biomarkers Prev; 22(12); 2345–53. ©2013 AACR.</jats:p> Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies Cancer Epidemiology, Biomarkers & Prevention
spellingShingle Guan, Hong-Bo, Wu, Qi-Jun, Gong, Ting-Ting, Cancer Epidemiology, Biomarkers & Prevention, Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies, Oncology, Epidemiology
title Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_full Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_fullStr Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_full_unstemmed Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_short Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
title_sort parity and kidney cancer risk: evidence from epidemiologic studies
title_unstemmed Parity and Kidney Cancer Risk: Evidence from Epidemiologic Studies
topic Oncology, Epidemiology
url http://dx.doi.org/10.1158/1055-9965.epi-13-0759-t