Minimizing ED Waiting Times and Improving Patient Flow and Experience of Care

Table 2

Summary of results and statistical analysis.

Metric	Mean		𝑃 value	Mean difference	95% Confidence interval of the mean difference
	Before* (𝑁=6)	After** (𝑁=14)
Door-to-provider time	63	18.14	<0.001	44.86	(39.83, 49.89)
Total length of stay	204.17	132.29	<0.001	71.88	(62.24, 81.52)
ED hours on diversion	147.97	0	<0.001	147.97	(96.53, 199.41)
Core measures (%)	71	96.93	<0.001	25.93	(20.15, 31.35)
Left without being seen (%)	4.11	0.92	<0.001	3.18	(2.94, 3.43)
Quarterly volume	7220.83	8044.07	<0.001	823.24	(506.93, 1139.55)
Patient satisfaction Press Ganey (%ile)	11.67	59.36	<0.001	47.69	(38.44, 55.95)

∗Before: FY05-Q1 to FY06-Q2.
∗∗ After: FY08-Q3 to FY11-Q4.