35. Clinical benefit table: Hylan G‐F 20 versus appropriate care. Dichotomous outcom.

Study	Time	Treatment	Outcome	No. improved	No. of pts.	Risk (%)	Risk difference	NNT
Raynauld 2002	45‐52 wk	E: Hylan G‐F 20 + appropriate care	Patient global (Number of patients improved in study knee)	93	127	73	46	2
		C: Appropriate care		35	128	27
Kahan 2003a	36 wk	E: Hylan G‐F 20 + appropriate care	Patient global (Number of patients rating effectiveness good or satisfactory)	186	253	74	23	4.3
		C: Appropriate care		129	253	51
Kahan 2003a	36 wk	E: Hylan G‐F 20 + appropriate care	Number of responders (20% decrease in pain on walking)	223	253	88	20	5
		C: Appropriate care		172	253	68