Early PEMF therapy improves union success rates for delayed unions of long-bone fractures

BMC Musculoskelet Disord. 2013 Jan 19;14:35. doi: 10.1186/1471-2474-14-35.

Low-intensity pulsed ultrasound improves bone healing in delayed unions of the tibia

BMC Musculoskelet Disord. 2010 Oct 8;11:229. doi: 10.1186/1471-2474-11-229.

Effect of platelet concentrate on union of long-bone delayed union versus no treatment control

Eur J Orthop Surg Traumatol. 2018 Jul;28(5):985-990. doi: 10.1007/s00590-017-2077-7

AOSSM: Early ACL reconstruction more cost-effective than delayed reconstruction

ISAKOS2017: Immediate versus delayed ACL reconstruction following ligament rupture

No difference between early and delayed physical therapy after rotator cuff repair

J Shoulder Elbow Surg. 2012 Nov;21(11):1450-5. doi: 10.1016/j.jse.2012.01.025. Epub 2012 May 2.

Similar 1-year ROM and function between immediate vs delayed rehab after total shoulder arthroplasty

J Shoulder Elbow Surg. 2016 Dec;25(12):1918-1924

AAOS 2016: Immediate vs. delayed passive range of motion after total shoulder arthroplasty

Osteochondral lesion of talus: No difference between early/delayed weight bearing

Am J Sports Med. 2012 Sep;40(9):2023-8. doi: 10.1177/0363546512455316. Epub 2012 Aug 9.

Similar outcome with early vs. delayed mobilization after rotator cuff repair

J Shoulder Elbow Surg. 2014 Nov;23(11):1631-9

AAOS 2016: Electrical stimulation effective for pain & nonunion vs. sham

No significant difference in clinical outcome or knee laxity between early versus delayed ACLR

Arthroscopy. 2018 Feb;34(2):592-602

Comparison of retear risk between early & delayed active ROM following rotator cuff repair

Am J Sports Med. 2016 Mar;44(3):785-91

AAOS: Early rehabilitation acceptable following fixation of unstable ankle fracture

Delayed LMWH lowers bleeding while maintaining DVT prophylaxis in TKA

Arch Orthop Trauma Surg. 2014 May;134(5):679-83. doi: 10.1007/s00402-014-1939-2. Epub 2014 Feb 18

Stem Cell-based Therapy for Prevention of Delayed Fracture Union in Distal Tibia Fractures

Mol Ther. 2013 Aug;21(8):1631-8

Acute ACL reconstruction vs. delayed ACL reconstruction in young, active patients

Knee Surg Sports Traumatol Arthrosc. 2018 Oct;26(10):2875-2882.

Early versus delayed anterior cruciate ligament reconstruction

Arthroscopy. 2013 Nov;29(11):1863-71

Electrical stimulation for bone healing reduced pain and risk of nonunion vs. sham control

Sci Rep. 2016 Aug 19;6:31724. doi: 10.1038/srep31724.

Feasibility demonstrated for larger trial comparing early PT to delayed PT for lumbar radicular pain

BMJ Open. 2018 Jul 28;8(7):e021631. doi: 10.1136/bmjopen-2018-021631