Bioavailable turmeric extract for knee osteoarthritis: a randomized, non-inferiority trial versus paracetamol

Table 4 Responder analysis for WOMAC score at different levels

Responder analysis criteria	Turmeric extract group		Paracetamol group		*p value	Absolute risk difference	Number needed to treat	Relative risk reduction	Relative risk	Odds ratio
Responder analysis criteria	n = 73	%	n = 71	%	*p value	Absolute risk difference	Number needed to treat	Relative risk reduction	Relative risk	Odds ratio
WOMAC pain score
≥ 20% reduction	56	77	57	80	0.6024	0.0357	28.02	0.04	0.96	0.81
≥ 50% reduction	21	29	14	20	0.2056	0.0905	11.05	0.46	1.46	1.64
≥ 70% reduction	6	8	3	4	0.99	0.0399	25.04	0.95	1.95	2.03
WOMAC pain and function/stiffness
≥ 20% reduction	42	58	43	61	0.9756	0.0025	398.69	0	1	0.99
≥ 50% reduction	13	18	0	0	0.0002	0.1781	5.62	126,438	126,439	153,833
≥ 70% reduction	2	3	0	0	0.1602	0.0274	36.5	19,451.1	19,452	20,000

n number of participants
*Inequality test of difference of two proportions using the Wald Z test (two sided)

ISSN: 1745-6215