Introduction - The Lancet

the incident rate ratio (IRR) between observed vs. expected MI hospital admissions, including a dichotomous variable for each breakpoint, valued at 1 in the time interval between one point and the next, 7 . the impact of the national lockdown (March 9 – May 3), expressed as IRR, including a dichotomous variable valued at 1 for the entire lockdown period. the daily number of expected ... ................
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