The AC1 coefficients, on the other hand, are above 0.40 in all confidence intervals except for the ecological settings variable.
All multivariable models and one bivariable model used some form of the ventilator settings variable as a predictor, except for the one developed by Henderson-Smart, which only used birth weight, gestational age and gender in the equation [ 37].
We decided not to perform meta-analysis as we judged that the included studies were heterogeneous in different aspects, including: populations (different ages and settings), variable definitions (including different definitions of exposures and outcomes) and analytical strategies (adjustment for different confounders).
Searches were performed using the SwissProt database (06/2011) with MASCOT (Perkins et al., 1999 ) and CPFP 1.3.0 (Trudgian et al., 2010 ) with the following settings: Variable modifications: 2-succinyl (cysteine, +116.01 Da), pyridylethyl (cysteine, +105.06 Da), oxidation (methionine, +15.00 Da), peptide tolerance: ± 10 ppm, fragment tolerance: ± 0.5 Da.
External validity asks the question of generalizability: To what populations, settings, treatment variables and measurement variables can this effect be generalized?
Campbell and Stanley [4] have presented a classic definition of the external validity in behavioral sciences: External validity asks the question of generalizability: To what populations, settings, treatment variables and measurement variables can this effect be generalized?
However, detailed accounts of ventilator settings, physiologic variables and organ dysfunction variables on the group level have appeared elsewhere [ 8].> -wrap-foot> Varees are for all animals in the experiment (n = 30) from 0 to 5 hours.
1. Process settings: the variables of PRESS PRESSURE, AUGER SPEED, and DROP TEMPERATURE have an effect on the output variables.
Settings of variables and sources of data are shown in Table 1.
