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Table 4 Patient throughput times (before and after Lean interventions)

From: Lean thinking to improve emergency department throughput at AORN Cardarelli hospital

Variable

Average – STD

pre-Lean (N = 16.563)

Average –STD

post-Lean (N = 17.147)

p-value

Waiting time

I triage – II triage

00:22:54–00:28:25

00:21:24–00:26:55

< 0.001

Waiting time

I triage – taken into care

01:47:55–01:14:44

01:41:55–01:14:44

< 0.001

Waiting time

taken into care – dismissal

02:31:02–01:27:18

02:19:12–01:03:20

< 0.001

Waiting time

I triage – dismissal

04:18:57–01:52:11

04:01:07–01:02:57

< 0.001