Analysis and Thoughts about the Negative Results of International Clinical Trials on Acupuncture

Table 1

Jadad score standard.

Items	Score standard
	0	1	2
Randomization	Not randomized or inappropriate method of randomization	The study was described as randomized	The method of randomization was described and it was appropriate
Double blinding	Not blind or inappropriate method of blinding	The study was described as double blind	The method of double blinding was described and it was appropriate
Withdraws and drop outs	Not describing the follow-up	A description of withdraws and dropouts	—