Lei Liu, Sen Zeng, Xiaobo Li, Yongzhi Xie, Ke Xu, Honglan Yang, Shunxiang Huang, Huadong Zhao, Ruxu Zhang
Genotype-phenotype correlations of AR-CMT2S in a cohort of axonal Charcot-Marie-Tooth patients from Central South China
Journal of the peripheral nervous system : JPNS
existing studies analyzing impact state concussion laws found increase concussionrelated medical encounters postlaw instances increases observed prelaw period due potential spillover effect study assessed effects ohios concussion law accounting spillover effect trends monthly rates concussionrelated medical encounters medicaid insured children using autoregressive integrated moving average arima analysis analyzed claim data obtained partners kids database pediatric accountable care organization ohio concussionrelated medical encounters medicaidinsured children ages 018 years treated april 1 2008 december 31 2016 selected analyzed assessed pre postlaw trends concussionrelated medical encounters using arima intervention model also used traditional regression methods validate study results total 16943 concussionrelated medical encounters sustained 15545 unique patients included monthly rates concussionrelated medical encounters significantly increased 464 per 10000 member months prelaw period 669 per 10000 member months postlaw period p 00001 three upward breaks monthly rates concussionrelated medical encounters observed 2009 2016 two breaks observed prelaw period specifically increased breakpoint observed july 2011 p 00186 significantly associated estimated 73 increase 95 ci 11137 rate concussionrelated medical encounters finding confirmed poisson regression curve fitting models furthermore seasonal trend concussionrelated medical encounters observed highest rates september october year two three upward breaks identified monthly rate concussionrelated medical encounters occurred enactment ohios concussion law suggesting potential spillover effect research needed confirm effect children types medical insurance