Table 2.

Grades of recommendation and level of evidence of the CPGs included.

	Martin et al, 2013	State of Colorado 2006		Hegmann et al, 2014	Kerkhoffs et al, 2012	Vuurberg et al, 2018	Choi et al, 20017	Kaminski et al, 2019
Ottawa Rules	A				A			A
Immobilization	A				D	D		B
Functional support					B	A
Physical exercises/ manual therapy	B1				B	A		A
	A1
Ambulation	A
Cryotherapy	A				B	A		C
Ultrasounds	D					D
Diathermy	C				D	D		C
Electrotherapy	Co				D	D		C
Low level laser	Co				D	D
Acupuncture						D	B
Pharmacopuncture							D
Electroacupuncture							C
NSAIDs		B2		A		B2		A
		D1
						D1
Opiates				D
Surgery					D	A
Rehabilitation					B			B
Grades of recommendations				Levels of evidence
				A	B	C	D	Co
Strongly recommended	Fairly recommended	Little recommended	Nothing recommended	Very high/high	Moderate/half	Low	Very low	Controversial

A1 = in the recovery phase, B1 = in acute phase, B2 = short-term treatment, CPG = clinical practice guidelines, F1 = long-term treatment.