Table 2: Studies with evidence that acupuncture stimulation modulates NK cell function in humans.

Authors, journal, year of publicationArranz et al., Am J Chin Med, 2007Yamaguchi et al., eCAM, 2007Petti et al., J Trad Chin Med, 1998
SubjectsWomen with anxiety (controls, healthy women)Normal individualsPatients with pain

Treatment groupYesYesYes
Placebo control groupNoNoNo
Non-placebo control groupYesNoYes
Overall Jaded scorea211
Scored component items of the Jaded score
 Study described as randomized (Yes = 1; No = 0)001
 Randomization appropriate (Yes = 1; No = 1)00 1
 Subject blinded (Yes = 1; No = 0)000
 Evaluator blinded (Yes = 1; No = 0)101
 Subjects that withdrew and/or dropped out  described (Yes = 1; No = 0)110

aUsed to assess quality of methods, with 5 being the highest score possible.