OVID MEDLINE	OVID EMBASE	CINAHL through EBSCOhost
search terms for design 1. randomized controlled trial.pt. 2. controlled clinical trial.pt. 3. randomized controlled trial.sh. 4. random allocation.sh. 5. double blind method.sh. 6. single blind method.sh. 7. clinical trial.pt. 8. exp clinical trial/ 9. (clin$ adj25 trial$).ti,ab. 10. ((singl$ or doubl$ or trebl$ or tripl$) adj25 (blind$ or mask$)).ti,ab. 11. placebos.sh. 12. placebo$.ti,ab. 13. random$.ti,ab. 14. research design.sh. 15. comparative study.sh. 16. exp evaluation studies/ 17. follow up studies.sh. 18. prospective studies.sh. 19. (control$ or prospectiv$ or volunteer$).ti,ab.	search terms for design 1. randomized controlled trial.sh. 2. randomization.sh. 3. double blind procedure.sh. 4. single blind procedure.sh. 5. exp clinical trials/ 6. (clin$ adj25 trial$).ti,ab. 7. ((singl$ or doubl$ or trebl$ or tripl$) adj25 (blind$ or mask$)).ti,ab. 8. placebo.sh. 9. placebo$.ti,ab. 10. random$.ti,ab. 11. methodology.sh. 12. comparative study.sh. 13. exp evaluation studies/ 14. follow up.sh. 15. prospective study.sh. 16. (control$ or prospectiv$ or volunteer$).ti,ab.	Search terms for design 1. (MH "Clinical Trials+") 2. (MH "Random Assignment") 3. (MH "Double‐Blind Studies") or (MH "Single‐Blind Studies") 4. TX (clin$ n25 trial$) 5. TX (sing$ n25 blind$) 6. TX (sing$ n25 mask$) 7. TX (doubl$ n25 blind$) 8. TX (doubl$ n25 mask$) 9. TX (trebl$ n25 blind$) 10. TX (trebl$ n25 mask$) 11. TX (tripl$ n25 blind$) 12. TX (tripl$ n25 mask$) 13. (MH "Placebos") 14. TX placebo$ 15. TX random$ 16. (MH "Study Design+") 17. (MH "Comparative Studies") 18. (MH "Evaluation Research") 19. (MH "Prospective Studies+") 20. TX (control$ or prospectiv$ or volunteer$) 21. S1 or S2 or (…….) or S20
Search terms for Osteoarthritis 20. osteoarthriti$.ti,ab,sh. 21. osteoarthro$.ti,ab,sh. 22. gonarthriti$.ti,ab,sh. 23. gonarthro$.ti,ab,sh. 24. coxarthriti$.ti,ab,sh. 25. coxarthro$.ti,ab,sh. 26. arthros$.ti,ab. 27. arthrot$.ti,ab. 28. ((knee$ or hip$ or joint$) adj3 (pain$ or ach$ or discomfort$)).ti,ab. 29. ((knee$ or hip$ or joint$) adj3 stiff$).ti,ab.	Search terms for Osteoarthritis 17. osteoarthriti$.ti,ab,sh. 18. osteoarthro$.ti,ab,sh. 19. gonarthriti$.ti,ab,sh. 20. gonarthro$.ti,ab,sh. 21. coxarthriti$.ti,ab,sh. 22. coxarthro$.ti,ab,sh. 23. arthros$.ti,ab. 24. arthrot$.ti,ab. 25. ((knee$ or hip$ or joint$) adj3 (pain$ or ach$ or discomfort$)).ti,ab. 26. ((knee$ or hip$ or joint$) adj3 stiff$).ti,ab.	Search terms for Osteoarthritis 22. osteoarthriti$ 23. (MH "Osteoarthritis") 24. TX osteoarthro$ 25. TX gonarthriti$ 26. TX gonarthro$ 27. TX coxarthriti$ 28. TX coxarthro$ 29. TX arthros$ 30. TX arthrot$ 31. TX knee$ n3 pain$ 32. TX hip$ n3 pain$ 33. TX joint$ n3 pain$ 34. TX knee$ n3 ach$ 35. TX hip$ n3 ach$ 36. TX joint$ n3 ach$ 37. TX knee$ n3 discomfort$ 38. TX hip$ n3 discomfort$ 39. TX joint$ n3 discomfort$ 40. TX knee$ n3 stiff$ 41. TX hip$ n3 stiff$ 42. TX joint$ n3 stiff$ 43. S22 or S23 or S24….or S42
Search terms for TENS 30. exp electric stimulation therapy/ 31. (electric$ adj (nerve or therapy)).tw. 32. (electric$ adj (stimulation or muscle)).tw. 33. electrostimulation.tw. 34. electroanalgesia.tw. 35. (tens or altens).tw. 36. electroacupuncture.tw. 37. neuromusc$ electric$.tw. 38. high volt.tw. 39. pulsed.tw. 40. (electric$ adj25 current).tw. 41. (electromagnetic or electrotherap$).tw. 42. iontophoresis.tw. 43. transcutaneous nerve stimulation.tw.	Search terms for TENS 27. exp electric stimulation therapy/ 28. (electric$ adj (nerve or therapy).tw. 29. (electric$ adj (stimulation or muscle)).tw. 30. electrostimulation.tw. 31. electroanalgesia.tw. 32. (tens or altens).tw. 33. electroacupuncture.tw. 34. neuromusc$ electric$.tw. 35. high volt.tw. 36. pulsed.tw. 37. electric current.sh. 38. (electric$ adj25 current).tw 39. (electromagnetic or electrotherap$).tw. 40. iontophoresis.tw. 41. transcutaneous nerve stimulation.tw.	Search terms for TENS 44. (MH "Electric Stimulation+") 45. TX (electric$ n1 nerve) 46. TX (electric$ n1 therapy) 47. TX (electric$ n1 stimulation) 48. TX (electric$ n1 muscle) 49. TX electrostimulation 50. TX electroanalgesia 51. TX tens 52. TX altens 53. TX electroacupuncture 54. TX neuromusc$ electric$ 55. TX high volt 56. TX pulsed 57. TX (electric$ n25 current) 58. TX ( (electromagnetic or electrotherap$) ) 59. TX iontophoresis 60. TX transcutaneous nerve stimulation 61. S44 or S45 or …. S60
Combining terms 44. or/1‐19 45. or/20‐29 46. or/30‐40 47. and/44‐46 48. animal/ 49. animal/ and human/ 50. 48 not 49 51. 47 not 50	Combining terms 42. or/1‐16 43. or/17‐26 44. or/27‐37 45. and/42‐44 46. animal/ 47. animal/ and human/ 48. 46 not 47 49. 45 not 48	Combining terms S21 and S43 and S61