The Acupuncture Trialists’ Collaboration IPDM update 2017
– more data, new insights… In 2012, the first individual patient data meta-analysis (IPDM) in the field of acupuncture was published.[1] It was also one of the first in the field of pain research. It was a struggle to publish, principally (I guess) because the IPDM method was relatively new to journal editors, and because the general medical journals tend towards conservatism and orthodoxy, so positive research on unorthodox interventions probably have higher hurdles to clear prior to publication. The 2012 IPDM included data from 29 trials and 17 922 patients. The update has just been published, and it includes data from 39 trials and 20 827 patients.[2] It should be noted that trials were only included where allocation concealment was unambiguously determined to be adequate, so this is a data set built on what used to be called the highest quality trials. Trials were grouped into 3 clinical categories for analyses: osteoarthritis, chronic headache, non-specific musculoskeletal pa...