[www.bmj.com]

"A substantial number of patients die as a result of unsafe medical practices and care during their admission to hospital.1 Previous research carried out with English hospital data has suggested a significantly higher risk of death if patients are admitted as an emergency at the weekend compared with a weekday.2 Other papers have described the “weekend effect”—that is, a worse outcome for patients admitted at weekends compared with weekdays in terms of (in and out of hospital) mortality or length of stay in hospital.3 4 5 Other studies, however, have found no such effect.6 Most previous work has focused on acute admissions. A study looking at Veteran Affairs’ hospitals in the United State found an increased 30 day mortality (deaths in hospital and after discharge) after non-emergency surgery on Fridays versus early weekdays in patients admitted to regular hospital wards (that is, excluding intensive care units).7 A recent Australian study reported that after hours and weekend admissions to intensive care units are associated with increased hospital mortality, with the results attributed mainly to patients with planned admissions after elective surgery.8 A recent English study found an increased risk of hospital death in the elective setting for weekend admissions but, critically (like most previous studies), focused on the day of admission, rather than day of procedure and did not include out of hospital deaths, a potential source of bias.9"

I believe it.

It's been long known that Friday work is shoddy in every field. Of course, the world cannot shut down and have everyone schedule work on Thursday, because that would obviously become the new Friday...