In the highest level of clinical study performed- the randomized-controlled trial- the European Spine Journal found that #Chiropractic Care easily trumped other healthcare interventions when it came to giving patients relief.  Chiropractic manual therapy came in with a 72% success rate , compared to only a 20% success rate for physical therapy and a 50% success rate for corticosteroids injections.

Hansen H, Manchikanti L, Simopoulos TT, et al. A systematic evaluation of the therapeutic effectiveness of sacroiliac joint interventions. Pain Physician 2012;15(3):E247-78.
Visser L, Woudenberg N, et al. Treatment of the sacroiliac joint in patients with leg pain: a randomized-controlled trial. European Spine Journal 2013 [online]. doi: 10.1007/s00586-013-2833-2.