
302 Electromagnetic Fields in Biology and Medicine
about 10-fold with a more frequent PEMF regimen of 5min every 20min. The PEMF effect on
IL-1β was signicantly larger than that on the physiological endpoint of pain in the initial BR
study; however, there was no physiological endpoint, for example, cognition or behavior in the rat
study. Therefore, a prospective cohort study with two additional treatment regimens was incor-
porated into the previous double-blind, placebo-controlled PEMF study in BR patients (Taylor
et al., 2014). The two additional cohorts included a 5min PEMF every 20min (5/20) group and
a 15min PEMF every 2h (Q2) group, ...