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. 2013 Aug 23;5:429–436. doi: 10.2147/CEOR.S50722

Table 2.

Distributions of measures of resource consumption: accuracy of the stochastic model under gamma distributional assumptions

Inputs to the 1,000 patient stochastic model, obtained from meta-analysis
Estimates generated by 250,000 trial Monte Carlo simulation of the 1,000 patient stochastic model
Early EN Standard care Difference Early EN Standard care Difference
ICU stay (days) 10.32 (9.49) 12.65 (12.72) −2.34 (15.87) 10.31 (9.50)
n = 125,000,000
12.65 (12.73)
n = 125,000,000
−2.34 (15.89)
n = 125,000,000
Invasive MV (days) 7.81 (12.26) 10.31 (7.13) −2.49 (14.18) 7.79 (12.28)
n = 125,000,000
10.30 (7.14)
n = 125,000,000
−2.51 (14.21)
n = 125,000,000
Early En delivery (days) 6.21 (6.21) 0 (0) 6.21 (6.21) 6.21 (6.20)
n = 125,000,000
0 (0) 6.21 (6.20)
n = 125,000,000

Notes: Values are expressed as mean (standard deviation); n = number of iterations.

Abbreviations: EN, enteral nutrition; ICU, intensive Care Unit; MV, mechanical ventilation.