Table 1.

Study Design and Outcome Measures

AC, acupuncture; B, bilateral; CC, chief complaint; EA, electroacupuncture; NRS, numerical rating scale; NSAIDs, nonsteroidal anti-inflammatory drugs; PC, primary care; PT, physical therapy; RMDQ, Roland–Morris Disability Questionnaire; TENS, transcutaneous electrical nerve stimulation; VAS, visual analog scale.