TENS does not work! Multi-centre, trial in 220 active Knee OA pts pitted TENS vs placebo TENS for 3 Wks. Using WOMAC pain scores there was no difference between TENS and placebo TENS (mean diff -0.06; P=0.74). No diff in AE or 2ndary outcomes https://t.co/4Aw9s1zfBQ https://t.co/gwdK6nbKLB