Cause factor | Nature of variations | Method used to study variations |
Bg | For one calendar year, all case files received Ncr, undergoes processing in the same environment, leading to processed and reported case file, Ncp. | Case-file backlogs were studied as function of time for case-files received and processed in Y2014, Y2015 and Y2016, as a function of time for all 52 weeks of the calendar years, and also as a function of laboratory disciplines within the FSL. |
Tsc | All purchase orders are initiated and completed leading to a spread in the values of Tsc. | Turnaround time between different action points within the FSL TAT for internal and external SCM processes during order processing. |
TAT | All case files go through the process from receiving to collection. | TAT studied as function of time for case-files received and processed in Y2014 and Y2015, and also in different laboratory units. |
Ab | All staff report to work daily, punch in and punch out leaving traces of absence or presence which can be measured. | Absenteeism studied as a function of time for three months periods of Y2016. The studied covered factors affecting absenteeism such as departmental setups, zonal laboratories, skill levels, professions and gender. |
Ad | All staff have own academic development profile. | Variations of Ad with time (Y2014, Y2016) for individual staff and by departments. |
Lc | All staff have measurable complex longevity within the FSL. | Variations of Lc, Lct and Lst with time (Y2014, Y2016) for individual staff and laboratory units. |