Table 3 CT scan utilization per patient in three phases of pre-intervention, intervention, and post- intervention follow up phase

Pre-intervention

334

2 (1,4)*

64

0 (0,1) *

272

2 (1,4) *

Intervention

381

2 (1,2)*

150

0 (0,1) *

231

1 (0,2) *

post-intervention follow up

205

1 (1,2)*

73

0 (0,1) *

130

1 (0,2) *

Total

920

287

633

p-value Kruskal-Wallis

0.027

0.028

˂ 0.001

p-Value Mann–Whitney

 Pre-intervention and intervention

0.054

0.024

˂0.001

 Pre and post intervention follow up

0.075

0.35

0.003

 Intervention and post intervention follow up

1

1

1