We provide an overview and perspective on the Phase I collection and analysis of data for
use in process improvement and control charting. In Phase I, the focus is on understanding …

The cumulative sum (CUSUM) procedure is a graphical method that is widely used for
quality monitoring in industrial settings. More recently it has been used to monitor surgical …

… Steiner and MacKay (Citation2005) present a variation reduction algorithm that builds on …
subassemblies and swap one of the subassemblies—see Steiner and MacKay (Citation2005). …

The control limits of an exponentially weighted moving average (EWMA) control chart
should vary with time, approaching asymptotic limits as time increases. However, previous …

Cumulative sum (CUSUM) plots and methods have wide‐ranging applications in healthcare.
We review and discuss some issues related to the analysis of surgical learning curve (LC) …

… where γ is the run length; t the time; R the transition matrix after last row and column have
been deleted; 1 the column vector of ones and I the identity matrix (see the Appendix of Steiner …

Registered nurses who return to school in a nurse practitioner program undergo role
transition throughout the educational process and into the postgraduate period. This study …

… also considered in Steiner et al. [7] and Sego et al. [10]. … Steiner SH. EWMA control charts
with time-varying control limits and … Steiner SH, MacKay RJ. Monitoring processes with highly …

… de Leval and others5 and Steiner and others6 propose … Steiner: Department of Statistics
and Actuarial Sciences, University of … See de Leval and others5 and Steiner and others6 …

In this expository paper, we review methods for monitoring medical outcomes with a focus
on surgical quality. We discuss the importance and role of risk adjustment. We give the …