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To address the possibility that some surgeons might adjust the Vintage January 1981 Retro 40Th Birthday 40 Years Old Gift Premium hot Shirt timing of surgery based on their date of birth, in our regression analysis we examined whether the findings were affected by the adjustment of surgery time or not.

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To address the possibility that some surgeons may choose not to work on their birthdays, we re-analyzed limited data for surgeons who performed the procedure on the day of their birth. them in our sample (ie excluding surgeons who did not perform surgery on their date of birth).

To examine the possibility that other events of the surgeon’s birthday, in addition to the birthday, could affect patient mortality, we re-analyzed the data after modifying the supplement. supplement for the Vintage January 1981 Retro 40Th Birthday 40 Years Old Gift Premium hot Shirt day of the year of surgery.
Since there may be other birthdays where the number of surgeons reporting birthdays is greater than expected, we re-analyzed the data after excluding surgeons born on these dates.

We performed stratified analysis according to each procedure the patient received, adjusted to the patient’s characteristics and the surgeon’s fixed effects. To avoid inconsistent estimates due to small sample sizes, we restricted our analysis to procedures with a number of surgeries greater than 10 on the surgeon’s birthday. To check whether our findings were justified by chance, we examined the association between the surgeon’s half-day of birth (calculated by adding 183 days to the Vintage January 1981 Retro 40Th Birthday 40 Years Old Gift Premium hot Shirt date of birth of the surgeon. surgeon) and patient mortality.

For the same reason, we also conduct a simulation analysis assigning randomly generated “fake birthdays” to surgeons and examine the association between these fake birthdays and mortality in 30 days in 1000 estimated times, adjusted for patient characteristics and surgeon fixed effects. We then compared the estimated difference in inpatient mortality between birthday and non-birthday surgeries generated through this simulation with the estimates obtained in the multivariate analysis. Our basics include patient characteristics and surgeon’s fixed effects.