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Table 2 Comparison of outcomes between pre- and post-intervention periods

From: Improving Emergency Department radiology transportation time: a successful implementation of lean methodology

  

Intervention

 

Variables

 

Pre n = 6186

Post n = 4879

P-value

Intervention related

 Transportation TAT (min)

≤10

1998 (32.3%)

3494 (71.6%)

<0.0001

Mean (±SD)

22.89 ± 22.05

9.87 ± 15.05

<0.0001

Others

 Preliminary Report TAT (min)

Mean (±SD)

31.16 ± 26.87

42.63 ± 33.02

<0.0001

 Study processing to preliminary report time (min)

Mean (±SD)

54.04 ± 34.72

52.50 ± 35.43

0.02

 Length of stay (hrs)

Mean (±SD)

4.57 ± 10.43

3.65 ± 5.17

<0.0001