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A study from the Mayo Clinic found higher crude mortality for weekend admissions.
Data from the Mayo Clinic (Rochester, MN, USA) showed higher mortality for weekend surgical admissions even after risk adjustment [ 11].
The mortality for weekend admissions was found to be higher than that for weekday admissions (5.96% vs 4.77%, unadjusted OR 1.27, 95% CI 1.26 to 1.28, p<0.0001).
However, Ananthakrishnan et al. observed that the difference in mortality for weekend admissions was only significant among patients who did not undergo endoscopic intervention, with similar outcomes among the groups that did undergo emergency endoscopy [ 4].
Investigators from the Cleveland Health Quality Choice program found higher mortality for weekend admissions compared with midweek (Tuesday Thursday) which could not be explained by differences in severity of illness [ 10].
16 Certainly, institutional standards appear to be able to mitigate the excess weekend mortality, at least in case of ischaemic strokes, wherein no increase in mortality for weekend admissions has been observed in 'comprehensive stroke centres' within the USA, but is still seen in less-specialist centres.
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Despite this, significant differences in mortality rates for weekend versus weekday admissions were found.
Our results indicate no difference in mortality rates for weekend and afterhour admissions to an ICU that is staffed by onsite certified intensivists.
18 19 Further work should focus on understanding the precise mechanism behind the increased mortality observed for weekend admissions so that effective measures can be implemented to combat this.
Schilling et al. (2010) showed a higher mortality rate for weekend admissions in their study based on 166,920 patients, 8% of which were acute hip fractures, while Foss and Kehlet (2006) found an increased mortality rate for admissions during holidays but not for weekend admissions in their study involving 600 patients.
Risk-adjusted LOS was slightly longer and mortality moderately higher for weekend HF admissions.
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