Mean number of referrals per month from referring departments before and after publication of INVEST and the Australian Trial

Referring DepartmentMean No. of Referrals per Month before PublicationMean No. of Referrals per Month after PublicationP Value
Spine Center and PMR6.3 ± 2.8,3.4 ± 1.3,.0001
95% CI, 5.7–7.095% CI, 2.4–4.4
Hematology2.2 ± 1.6,2.6 ± 1.9,.564
95% CI, 1.8–2.695% CI, 1.2–4.0
Orthopedics1.6 ± 1.4,0.6 ± 1.0,.0099
95% CI, 1.3–2.095% CI, −0.1–1.3