author_facet Digitale, Jean C.
Kim, Mi-Ok
Kuzniewicz, Michael W.
Newman, Thomas B.
Digitale, Jean C.
Kim, Mi-Ok
Kuzniewicz, Michael W.
Newman, Thomas B.
author Digitale, Jean C.
Kim, Mi-Ok
Kuzniewicz, Michael W.
Newman, Thomas B.
spellingShingle Digitale, Jean C.
Kim, Mi-Ok
Kuzniewicz, Michael W.
Newman, Thomas B.
Pediatrics
Update on Phototherapy and Childhood Cancer in a Northern California Cohort
Pediatrics, Perinatology and Child Health
author_sort digitale, jean c.
spelling Digitale, Jean C. Kim, Mi-Ok Kuzniewicz, Michael W. Newman, Thomas B. 0031-4005 1098-4275 American Academy of Pediatrics (AAP) Pediatrics, Perinatology and Child Health http://dx.doi.org/10.1542/peds.2021-051033 <jats:sec><jats:title /></jats:sec><jats:sec><jats:title>OBJECTIVES</jats:title><jats:p>We aimed to reassess the relationship between phototherapy and cancer in an extended version of a previous cohort and to replicate a report from Quebec of increased cancer risk after phototherapy beginning at age 4 years.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>This cohort study included 139 100 children born at ≥35 weeks’ gestation from 1995 to 2017, followed through March 16, 2019, in Kaiser Permanente Northern California hospitals who had a qualifying bilirubin level from −3 mg/dL to +4.9 mg/dL from the American Academy of Pediatrics phototherapy threshold; an additional 40 780 children and 5 years of follow-up from our previous report. The exposure was inpatient phototherapy (yes or no), and the outcomes were various types of childhood cancer. We used Cox proportional hazard models, controlling for propensity-score quintiles, and allowed for time-dependent exposure effects to assess for the risk of cancer after a latent period.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Over a mean (SD) follow-up of 8.2 (5.7) years, the crude incidence of cancer per 100 000 person-years was 25.1 among those exposed to phototherapy and 19.2 among those not exposed (233 cases of cancer). After propensity adjustment, phototherapy was not associated with any cancer (hazard ratio [HR]: 1.13, 95% confidence interval [CI]: 0.83–1.54), hematopoietic cancer (HR: 1.17, 95% CI: 0.74–1.83), or solid tumors (HR: 1.01, 95% CI: 0.65–1.58). We also found no association with cancer diagnoses at age ≥4 years.</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>We did not confirm previous, concerning associations between phototherapy and adjusted risk of any cancer, nonlymphocytic leukemia, or brain and/or central nervous systems tumors in later childhood.</jats:p></jats:sec> Update on Phototherapy and Childhood Cancer in a Northern California Cohort Pediatrics
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title Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_unstemmed Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_full Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_fullStr Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_full_unstemmed Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_short Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_sort update on phototherapy and childhood cancer in a northern california cohort
topic Pediatrics, Perinatology and Child Health
url http://dx.doi.org/10.1542/peds.2021-051033
publishDate 2021
physical
description <jats:sec><jats:title /></jats:sec><jats:sec><jats:title>OBJECTIVES</jats:title><jats:p>We aimed to reassess the relationship between phototherapy and cancer in an extended version of a previous cohort and to replicate a report from Quebec of increased cancer risk after phototherapy beginning at age 4 years.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>This cohort study included 139 100 children born at ≥35 weeks’ gestation from 1995 to 2017, followed through March 16, 2019, in Kaiser Permanente Northern California hospitals who had a qualifying bilirubin level from −3 mg/dL to +4.9 mg/dL from the American Academy of Pediatrics phototherapy threshold; an additional 40 780 children and 5 years of follow-up from our previous report. The exposure was inpatient phototherapy (yes or no), and the outcomes were various types of childhood cancer. We used Cox proportional hazard models, controlling for propensity-score quintiles, and allowed for time-dependent exposure effects to assess for the risk of cancer after a latent period.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Over a mean (SD) follow-up of 8.2 (5.7) years, the crude incidence of cancer per 100 000 person-years was 25.1 among those exposed to phototherapy and 19.2 among those not exposed (233 cases of cancer). After propensity adjustment, phototherapy was not associated with any cancer (hazard ratio [HR]: 1.13, 95% confidence interval [CI]: 0.83–1.54), hematopoietic cancer (HR: 1.17, 95% CI: 0.74–1.83), or solid tumors (HR: 1.01, 95% CI: 0.65–1.58). We also found no association with cancer diagnoses at age ≥4 years.</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>We did not confirm previous, concerning associations between phototherapy and adjusted risk of any cancer, nonlymphocytic leukemia, or brain and/or central nervous systems tumors in later childhood.</jats:p></jats:sec>
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author Digitale, Jean C., Kim, Mi-Ok, Kuzniewicz, Michael W., Newman, Thomas B.
author_facet Digitale, Jean C., Kim, Mi-Ok, Kuzniewicz, Michael W., Newman, Thomas B., Digitale, Jean C., Kim, Mi-Ok, Kuzniewicz, Michael W., Newman, Thomas B.
author_sort digitale, jean c.
container_issue 5
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description <jats:sec><jats:title /></jats:sec><jats:sec><jats:title>OBJECTIVES</jats:title><jats:p>We aimed to reassess the relationship between phototherapy and cancer in an extended version of a previous cohort and to replicate a report from Quebec of increased cancer risk after phototherapy beginning at age 4 years.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>This cohort study included 139 100 children born at ≥35 weeks’ gestation from 1995 to 2017, followed through March 16, 2019, in Kaiser Permanente Northern California hospitals who had a qualifying bilirubin level from −3 mg/dL to +4.9 mg/dL from the American Academy of Pediatrics phototherapy threshold; an additional 40 780 children and 5 years of follow-up from our previous report. The exposure was inpatient phototherapy (yes or no), and the outcomes were various types of childhood cancer. We used Cox proportional hazard models, controlling for propensity-score quintiles, and allowed for time-dependent exposure effects to assess for the risk of cancer after a latent period.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Over a mean (SD) follow-up of 8.2 (5.7) years, the crude incidence of cancer per 100 000 person-years was 25.1 among those exposed to phototherapy and 19.2 among those not exposed (233 cases of cancer). After propensity adjustment, phototherapy was not associated with any cancer (hazard ratio [HR]: 1.13, 95% confidence interval [CI]: 0.83–1.54), hematopoietic cancer (HR: 1.17, 95% CI: 0.74–1.83), or solid tumors (HR: 1.01, 95% CI: 0.65–1.58). We also found no association with cancer diagnoses at age ≥4 years.</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>We did not confirm previous, concerning associations between phototherapy and adjusted risk of any cancer, nonlymphocytic leukemia, or brain and/or central nervous systems tumors in later childhood.</jats:p></jats:sec>
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spelling Digitale, Jean C. Kim, Mi-Ok Kuzniewicz, Michael W. Newman, Thomas B. 0031-4005 1098-4275 American Academy of Pediatrics (AAP) Pediatrics, Perinatology and Child Health http://dx.doi.org/10.1542/peds.2021-051033 <jats:sec><jats:title /></jats:sec><jats:sec><jats:title>OBJECTIVES</jats:title><jats:p>We aimed to reassess the relationship between phototherapy and cancer in an extended version of a previous cohort and to replicate a report from Quebec of increased cancer risk after phototherapy beginning at age 4 years.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>This cohort study included 139 100 children born at ≥35 weeks’ gestation from 1995 to 2017, followed through March 16, 2019, in Kaiser Permanente Northern California hospitals who had a qualifying bilirubin level from −3 mg/dL to +4.9 mg/dL from the American Academy of Pediatrics phototherapy threshold; an additional 40 780 children and 5 years of follow-up from our previous report. The exposure was inpatient phototherapy (yes or no), and the outcomes were various types of childhood cancer. We used Cox proportional hazard models, controlling for propensity-score quintiles, and allowed for time-dependent exposure effects to assess for the risk of cancer after a latent period.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Over a mean (SD) follow-up of 8.2 (5.7) years, the crude incidence of cancer per 100 000 person-years was 25.1 among those exposed to phototherapy and 19.2 among those not exposed (233 cases of cancer). After propensity adjustment, phototherapy was not associated with any cancer (hazard ratio [HR]: 1.13, 95% confidence interval [CI]: 0.83–1.54), hematopoietic cancer (HR: 1.17, 95% CI: 0.74–1.83), or solid tumors (HR: 1.01, 95% CI: 0.65–1.58). We also found no association with cancer diagnoses at age ≥4 years.</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>We did not confirm previous, concerning associations between phototherapy and adjusted risk of any cancer, nonlymphocytic leukemia, or brain and/or central nervous systems tumors in later childhood.</jats:p></jats:sec> Update on Phototherapy and Childhood Cancer in a Northern California Cohort Pediatrics
spellingShingle Digitale, Jean C., Kim, Mi-Ok, Kuzniewicz, Michael W., Newman, Thomas B., Pediatrics, Update on Phototherapy and Childhood Cancer in a Northern California Cohort, Pediatrics, Perinatology and Child Health
title Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_full Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_fullStr Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_full_unstemmed Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_short Update on Phototherapy and Childhood Cancer in a Northern California Cohort
title_sort update on phototherapy and childhood cancer in a northern california cohort
title_unstemmed Update on Phototherapy and Childhood Cancer in a Northern California Cohort
topic Pediatrics, Perinatology and Child Health
url http://dx.doi.org/10.1542/peds.2021-051033