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Exact(6)
Three months risk factors for mortality for very elderly patients were withholding and/or withdrawing life-sustaining treatments (HR [95 % CI] 6.19 [3.10 12.35]; p < 0.001) and SAPS II score minus points for age (1.02 [1.01–1.03]; p = 0.02).
Surgical mortality for very low-volume to very high-volume hospitals were as follows: 3.8, 3.2, 2.4, and 1.8%.
Our key finding was a consistent reduction in the OR of mortality for very preterm infants admitted to high-volume neonatal units.
However, we do provide evidence of reduced OR of mortality for very preterm infants admitted to high-volume neonatal units at delivery hospitals.
The standard logistic regressions did not reveal a statistically significant difference in the OR of mortality for very preterm infants admitted to tertiary-level care at the hospital of birth compared with their counterparts admitted to non-tertiary-level care.
Analyses of California hospital discharge data [ 1, 2], for example, have shown that neonatal intensive care unit (NICU) level and the volume of patients in the NICU are inversely related to risk-adjusted mortality for very low birth weight (VLBW) infants, i.e., those who were born weighing less than 1500 grams.
Similar(54)
When performing the stepwise multiple regression analysis it became obvious that the admission plasma glutamine concentration compared with mortality curve had a U-shape, with an increased mortality also for very high-plasma glutamine concentrations.
In GRACE study, age was the most important factor affecting in-hospital and six-month discharge mortality, However, for very old patients (age >80 years old), the ratio of age score was too high in the GRACE risk score, and all patients enrolled in our study were at very high risk according to GRACE risk score.
Such cases were associated with high mortality for both very old and younger patients.
The ICU and hospital mortality for the very older people is summarised in Table 1.
Refinements then should explain the mortality minimum at childhood, and also the difference between male and female mortalities except for very old people.
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