Abstract:The volume of patients in PICUs is inversely related to risk-adjusted mortality and patient length of stay. A further understanding of this relationship is needed to develop effective regionalization and referral policies for critically ill children.
“…The accuracy of MPM may be affected by the case-mix and case-volume of that particular center. [9] Secondly, due to low case volume, these single center studies had a long study period. The long study period made changes in clinical practice and/or technology during the long study period was an important confounding factor.…”
The current study showed that PIM2 and PIM1 had similar accuracy in mortality prediction in Hong Kong. The current study also demonstrated the difficulty to calibrate the mortality model when actual mortality rate is low.
“…The accuracy of MPM may be affected by the case-mix and case-volume of that particular center. [9] Secondly, due to low case volume, these single center studies had a long study period. The long study period made changes in clinical practice and/or technology during the long study period was an important confounding factor.…”
The current study showed that PIM2 and PIM1 had similar accuracy in mortality prediction in Hong Kong. The current study also demonstrated the difficulty to calibrate the mortality model when actual mortality rate is low.
“…and trauma were excluded as were studies reporting on outcomes from paediatric ICUs. A significant volumeoutcome relationship has been established in these areas [18][19][20][21][22] with centralization of such services in most countries. Studies carried out in a single ICU and those comparing on outcomes on high versus low census days were excluded.…”
The results indicate that outcomes of certain subsets of ICU patients--especially those on mechanical ventilation, high-risk patients, and patients with severe sepsis--are better in high volume centres within the constraints of risk adjustments.
“…Tilford et al beschrieben erstmals 2000 in einer hervorragend geplanten Studie anhand der konsekutiven Aufnahmedaten des Jahres 1993 an 16 pädiatri-schen Intensivstationen in den USA (n = 11.106) einen positiven Zusammenhang zwischen der Überlebensrate und der Anzahl der Aufnahmen auf die Intensivstationen [56].…”
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