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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Int J Progn Health Manag. 2021;12(1):10.36001/ijphm.2021.v12i1.2883. doi: 10.36001/ijphm.2021.v12i1.2883

Table 7:

Comparison of those with the top 50 % in using Predictive Maintenance to the Bottom 50 % (Group 2 compared to Group 3), Monte Carlo Results

Variable Top or Bottom 50 % Min Max Mean % Change: Bottom to Top (Mean) Median % Change: Top to Bottom (Median) Standard Deviation
Maintenance Cost To Shipment Ratio Bottom 0.005 0.022 0.014 212.3% 0.014 237.1% 0.002
Maintenance Cost To Shipment Ratio Top 0.008 0.076 0.043 0.048 0.014
Costs due to Faults/Failures as a ratio to Shipments. Bottom 0.000 0.005 0.002 44.6% 0.002 40.3% 0.001
Costs due to Faults/Failures as a ratio to Shipments. Top 0.000 0.006 0.003 0.003 0.001
Percent of Planned Production time that is downtime Bottom 2.03 8.33 5.34 −18.5% 5.67 −22.5% 1.06
Percent of Planned Production time that is downtime Top 1.37 7.00 4.35 4.39 0.77
Defect Rate Bottom 0.15 1.31 0.75 −87.3% 0.77 −84.4% 0.17
Defect Rate Top 0.01 0.19 0.09 0.12 0.05
Percent of Sales lost due to Delays Related to Maint. Bottom 0.00 1.75 0.55 112.7% 0.64 96.0% 0.24
Percent of Sales lost due to Delays Related to Maint. Top 0.00 2.00 1.17 1.25 0.46
Percent of Sales lost due to Defects Related to Maint. Bottom 0.00 1.17 0.52 51.5% 0.60 36.7% 0.22
Percent of Sales lost due to Defects Related to Maint. Top 0.00 1.57 0.79 0.82 0.28
Percent Increase in Inventory due to Maint. Bottom 0.00 5.01 2.53 −22.5% 2.73 −19.3% 0.94
Percent Increase in Inventory due to Maint. Top 0.00 3.89 1.96 2.20 0.79
Percent Predictive Bottom 5.00 14.55 10.41 321.5% 10.42 324.0% 1.16
Percent Predictive Top 31.70 54.90 43.88 44.17 3.50
Percent Reactive Bottom 14.63 32.00 23.42 −10.6% 23.36 −10.5% 1.98
Percent Reactive Top 16.10 25.10 20.93 20.92 1.56

Items shown in RED indicate unexpected outcome in comparing the top and bottom